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green · cool

#b9f8cc

a light, electric green · cool · closest name: Aqua Marine

Token name suggestion: Morning Fern

RGB
185, 248, 204
HSL
138°, 82%, 85%
CMYK
25, 0, 18, 3
Luminance
0.8181

#b9f8cc is a light electric green, 138° on the wheel and 70/100 on the cool side. Put black text on it (17.36:1). As text it scores 1.21:1 on white — use #0D8632 instead. Nearest name is Aqua Marine, nearest Tailwind family is green.

hsl(138 82% 85%)rgb(185 248 204)Base step 200AAA inkCool

At a glance

Every number on this page in one read: what #b9f8cc is made of, how bright it looks, and which way it leans.

Hex
#b9f8cc
Hue
138°
green
Saturation
82%
electric
Lightness
85%
light
Brightness
97%
HSV value
Perceived
89%
weighted brightness
Luminance
0.8181
WCAG relative
Temperature
Cool
70/100 cool
Color family
Green
Tone
Electric
Best ink
Black
17.36:1
Closest name
Aqua Marine
ΔE2000 8
Chroma
32.0
LCH, 0–130ish
OKLCH L
0.925
perceptual lightness
Tailwind
green
500 · ΔE 19.7
Web-safe
#CCFFCC
nearest of 216
Where it sits
Hue138° of 360°
Saturation82%
Lightness85%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #b9f8cc.

Temperature
Warm ← → Cool70% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Luminance by channel
Red13%
Green82%
Blue5%

Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.

Every format

HEX#b9f8cc
HEX (8-digit)#b9f8ccff
RGBrgb(185, 248, 204)
RGBArgba(185, 248, 204, 1)
HSLhsl(138, 82%, 85%)
HSV / HSBhsv(138, 25%, 97%)
HWBhwb(138 73% 3%)
CMYKcmyk(25%, 0%, 18%, 3%)
LABlab(92.5 -28.3 14.8)
LCHlch(92.5 32.0 152.3)
OKLCHoklch(0.925 0.087 154.0)
XYZ (D65)xyz(64.47, 81.81, 69.51)
Decimal12187852
Display P3color(display-p3 0.725 0.973 0.800)
Web-safe#CCFFCC

Copy-ready code

every platformclick to select
/* CSS */
color: #b9f8cc;
background-color: #b9f8cc;
/* CSS custom property */
--brand: #b9f8cc;
/* Tailwind (arbitrary) */
class="text-[#b9f8cc] bg-[#b9f8cc]"
/* SCSS */
$brand: #b9f8cc;
/* SwiftUI */
Color(red: 0.725, green: 0.973, blue: 0.800)
/* UIKit */
UIColor(red: 0.725, green: 0.973, blue: 0.800, alpha: 1)
/* Android XML */
<color name="brand">#B9F8CC</color>
/* Android Compose */
Color(0xFFB9F8CC)
/* Flutter */
Color(0xFFB9F8CC)
/* Python / OpenCV (BGR) */
(204, 248, 185)
/* Python / PIL (RGB) */
(185, 248, 204)
/* Java AWT */
new Color(185, 248, 204)
/* .NET */
Color.FromArgb(255, 185, 248, 204)
/* OpenGL / Unity (0–1) */
(0.7255f, 0.9725f, 0.8000f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{185,248,204}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #b9f8cc 85%, white);
border-color: color-mix(in oklab, #b9f8cc 40%, transparent);
/* theme-aware in one line */
color: light-dark(#0C742B, #D3EEDB);
/* relative colour syntax */
--hover: hsl(from #b9f8cc h s calc(l - 7));

Design tokens

The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.

css custom propertiesclick to select
:root {
  --brand-50: #F2FCF5;
  --brand-100: #E6F9EC;
  --brand-200: #b9f8cc;
  --brand-300: #99F5B5;
  --brand-400: #66F090;
  --brand-500: #33EB6A;
  --brand-600: #16DF53;
  --brand-700: #13B945;
  --brand-800: #0F9437;
  --brand-900: #0F6B2B;
  --brand-950: #09431B;
  --brand: #b9f8cc;
  --brand-ink: #000000;
  --brand-surface: #F4FAF6;
  --brand-border: #C0EDCD;
  --brand-hover: #99F5B4;
  --brand-pressed: #78F19D;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #142419;
    --brand-ink: #D3EEDB;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F2FCF5',
        100: '#E6F9EC',
        200: '#b9f8cc',
        300: '#99F5B5',
        400: '#66F090',
        500: '#33EB6A',
        600: '#16DF53',
        700: '#13B945',
        800: '#0F9437',
        900: '#0F6B2B',
        950: '#09431B',
        DEFAULT: '#b9f8cc',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F2FCF5,
  '100': #E6F9EC,
  '200': #b9f8cc,
  '300': #99F5B5,
  '400': #66F090,
  '500': #33EB6A,
  '600': #16DF53,
  '700': #13B945,
  '800': #0F9437,
  '900': #0F6B2B,
  '950': #09431B,
);
$brand-base: #b9f8cc;
$brand-ink: #000000;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F2FCF5", "$type": "color" },
      "100": { "$value": "#E6F9EC", "$type": "color" },
      "200": { "$value": "#b9f8cc", "$type": "color" },
      "300": { "$value": "#99F5B5", "$type": "color" },
      "400": { "$value": "#66F090", "$type": "color" },
      "500": { "$value": "#33EB6A", "$type": "color" },
      "600": { "$value": "#16DF53", "$type": "color" },
      "700": { "$value": "#13B945", "$type": "color" },
      "800": { "$value": "#0F9437", "$type": "color" },
      "900": { "$value": "#0F6B2B", "$type": "color" },
      "950": { "$value": "#09431B", "$type": "color" }
    },
    "brandInk": { "$value": "#000000", "$type": "color" }
  }
}

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#000000 on #b9f8cc · 17.36:1
Use #000000AAA at every size.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 1.21:1
AA fail · AA large fail · AAA fail
Aa
Black text · 17.36:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #b9f8cc as text scores 1.21:1 on white and 17.36:1 on black.
Best tinted ink on it, if plain black or white feels flat: #0C742B at 4.89:1.

Make it accessible

A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.

The quick fox
#0D8632 · 4.69:1
AA on white−56% L
#0D8632
The quick fox
#0A6626 · 7.14:1
AAA on white−63% L
#0A6626
The quick fox
#b9f8cc · 17.36:1
AA on blackalready passes
#b9f8cc
The quick fox
#b9f8cc · 17.36:1
AAA on blackalready passes
#b9f8cc

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #11AB40 is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).

Accessibility — WCAG contrast

Aa
#b9f8cc on white: 1.21:1
AA ✗ fail · AA-large · AAA
Aa
#b9f8cc on black: 17.36:1
AA ✓ pass · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #b9f8cc as text on that neutral, and that neutral as text on #b9f8cc.

NeutralRatioBoth directions
White1.21:1AaAa
Slate 501.16:1AaAa
Slate 1001.10:1AaAa
Slate 2001.02:1AaAa
Slate 3001.23:1AaAa
Slate 4002.12:1AaAa
Slate 5003.93:1AaAa
Slate 6006.26:1AaAa
Slate 7008.56:1AaAa
Slate 80012.09:1AaAa
Slate 90014.76:1AaAa
Black17.36:1AaAa
Colour vision deficiency
true color
protanopia · #F8EECA
deuteranopia · #EDE7CE
tritanopia · #AFF6EB

Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #b9f8cc is pinned to step 200; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F2FCF5
#E6F9EC
#b9f8cc
#99F5B5
#66F090
#33EB6A
#16DF53
#13B945
#0F9437
#0F6B2B
#09431B
Base = 200Lightest = 50 · #F2FCF5Darkest = 950 · #09431BText step on white = 900
Perceptual ramp — OKLCH

The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.

50100200300400500600700800900950
oklch tokensclick to select
:root {
  --brand-50: oklch(0.97 0.022 154.0);
  --brand-100: oklch(0.94 0.035 154.0);
  --brand-200: oklch(0.88 0.052 154.0);
  --brand-300: oklch(0.80 0.068 154.0);
  --brand-400: oklch(0.72 0.080 154.0);
  --brand-500: oklch(0.64 0.087 154.0);
  --brand-600: oklch(0.56 0.087 154.0);
  --brand-700: oklch(0.48 0.082 154.0);
  --brand-800: oklch(0.40 0.073 154.0);
  --brand-900: oklch(0.32 0.061 154.0);
  --brand-950: oklch(0.24 0.048 154.0);
}

Colors that work with #b9f8cc

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#000000
Black wins here
Surface#F4FAF6
Tinted page background
Border#C0EDCD
Hairlines and dividers
Muted text#4B9B63
Captions on the surface
Accent#BF0DB4
Second voice, not a rival
Dark variant#0C742B
Hover, pressed, headers
Light variant#E8FDEE
Selected rows, tints
Dark surface#142419
Dark-mode background
Hover#99F5B4
One step down in lightness
Pressed#78F19D
Two steps down
Disabled#F3F7F4
Chroma pulled out
Focus ring#C9FDD8
Offset from the fill so it reads
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

In real components

The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.

Buttons and states
Save changesHoverPressedDisabled
OutlineSubtleLinkFocused
Form field
you@company.com

Focus ring uses the light variant so the field still reads as one shape.

Send me product updates
Notice
Your export is ready

The file stays available for seven days. Download it before it expires.

NewBetaDraft
Data
Storage used68%
Acme LtdActive
NorthwindTrial
GlobexActive

How to use #b9f8cc

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Text and icons on dark surfaces
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Card and section backgrounds
  • Brand accents, badges and data highlights
Use with care
  • Text of any size on white — fails WCAG AA
  • Full-page backgrounds — tiring over long sessions
  • White text placed on it
  • Status meaning — pair it with an icon or label, never colour alone
  • Pairing with a same-lightness hue — edges vibrate
Minimum size as text on white
Not as text
Safe as a fill behind white type
No — use #0C742B
Safe as a 1px border on white
No — use #11AB40

Meaning and mood

What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.

safegrowingnaturalpermissive

Green means go, well, and grown. It carries finance, sustainability and health with almost no explanation needed.

At this chroma the association is amplified — it will dominate anything placed beside it, so give it space and use it sparingly. The lightness keeps it airy and approachable.

Worth knowing

Red/green pairs are the most common colour-blindness failure — never let the two carry meaning alone.

Reads as
  • FormalityLow
  • EnergyHigh
  • Weight15/100
  • TemperatureCool
  • ApproachabilityReserved

Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#F8B9E5
Analogous left#C5F8B9
Analogous right#B9F8EB
Split-complement 1#EBB9F8
Split-complement 2#F8B9C5
Triadic 1#CCB9F8
Triadic 2#F8CCB9
Tetradic#B9C5F8
On the wheel
Base+30°−30°+120°+240°+180°138°

#b9f8cc sits at 138°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red72.5%
Green97.3%
Blue80.0%
R · 0–255
185
0xb9
G · 0–255
248
0xf8
B · 0–255
204
0xcc

CMYK percentages

Cyan25.4%
Magenta0.0%
Yellow17.7%
Key (black)2.7%

Total ink coverage is 46%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#b9f8cc text on a black background

contrast 17.36:1

Card sample

#b9f8cc text on a white background

contrast 1.21:1

Card sample

#b9f8cc on grey

1.10:1

#b9f8cc on its own surface

1.14:1

#b9f8cc on its dark surface

13.40:1

CSS3 live lab

Text font color

The quick brown fox

color: #b9f8cc;
Background color
Panel with #b9f8cc background
background-color: #b9f8cc;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #b9f8cc;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(185, 248, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(185, 248, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b9f8cc;
background: linear-gradient(135deg, #b9f8cc, #B9F8F6);
Gradient text

Gradient headline

background: linear-gradient(90deg, #b9f8cc, #B9EAF8);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #b9f8cc;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #b9f8cc;
caret-color: #b9f8cc;
Left rule
Pull quote or callout
border-left: 4px solid #b9f8cc;
Ring + tint
Selected chip
background: #E8FDEE;
box-shadow: inset 0 0 0 2px #b9f8cc;
Conic badge
68%
background: conic-gradient(#b9f8cc 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #b9f8cc over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.

Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.

alpha in every syntaxclick to select
rgba(185, 248, 204, 0.5)
rgb(185 248 204 / 50%)
#b9f8cc80
hsl(138 82% 85% / 50%)
color-mix(in srgb, #b9f8cc 50%, transparent)
Alpha8-digit hexFlat on white
10%#b9f8cc1a#F8FEFA
20%#b9f8cc33#F1FEF5
40%#b9f8cc66#E3FCEB
60%#b9f8cc99#D5FBE0
80%#b9f8cccc#C7F9D6

Gradients from #b9f8cc

Six recipes, each built from this hex and shown with the exact CSS that produced it.

Elevation
Same hue, three lightnesses — safe anywhere
background: linear-gradient(135deg, #ECFDF1, #b9f8cc 45%, #0C742B);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #b9f8cc, #9DF1F5);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #b9f8cc, #F8B9E5);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #F1FEF5 0%, #b9f8cc 45%, #0C742B 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F4FAF6, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #EDFDE7 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #D5FBF6 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #0C742B 0%, transparent 65%), #b9f8cc;

Monochromatic scale

Palettes built from #b9f8cc

Shades — darker

Tints — lighter

Tones — desaturated

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#b9f8cc in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
SustainabilityFinanceHealth and wellnessAgriculture
Common UI roles
SurfacesBadgesHighlightsEmpty states
Print note

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

On screens

Holds up across typical panel gamma. Still worth checking on an uncalibrated laptop, where mid-tones shift most.

In dark mode

Usable as-is on a dark surface at 17.36:1.

Explore nearby colors

Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.

#b9f8cc, answered

What color is #b9f8cc?

#b9f8cc is a light electric green, closest to Aqua Marine (ΔE2000 8). It sits at 138° on the hue wheel with 82% saturation and 85% lightness, which reads as cool.

What is the RGB value of #b9f8cc?

rgb(185, 248, 204) — 185 red, 248 green and 204 blue out of 255, or 72.5% / 97.3% / 80% by channel.

What is #b9f8cc in HSL and HSV?

hsl(138, 82%, 85%) and hsv(138, 25%, 97%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #b9f8cc a light or a dark color?

It is a light color. Relative luminance is 0.8181 and perceived brightness is 89%, so black text on it reaches 17.36:1.

Should I use black or white text on #b9f8cc?

Black. It scores 17.36:1 against #b9f8cc, versus 1.21:1 for white — AAA at any size.

Is #b9f8cc accessible on a white background?

#b9f8cc on white scores 1.21:1, which fails WCAG AA at every size. Darken it to #0D8632 to reach 4.5:1, or #0A6626 for 7:1.

What is the complementary color of #b9f8cc?

#F8B9E5 sits directly opposite on the wheel. Softer options are the split-complements #EBB9F8 and #F8B9C5, which give the same contrast with far less vibration.

What colors go well with #b9f8cc?

For interface work: #F4FAF6 as the surface, #C0EDCD for borders, #4B9B63 for secondary text, #BF0DB4 as an accent and #0C742B for hover and pressed states. For a palette, the analogous pair #C5F8B9 and #B9F8EB stays calm, while #F8B9E5 is the loudest partner.

What is #b9f8cc in CMYK for printing?

cmyk(25%, 0%, 18%, 3%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.

Is #b9f8cc warm or cool?

Cool — it scores 70 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #BDF8B9; nudged cooler, #B8F9E3.

Which Tailwind color is closest to #b9f8cc?

The green family — its 500 step is #22c55e, ΔE2000 19.7 away. That is a visible difference, so define #b9f8cc as a custom token rather than reaching for the built-in.

How do I use #b9f8cc in Tailwind CSS?

Inline it as an arbitrary value with bg-[#b9f8cc] or text-[#b9f8cc], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.

What is #b9f8cc with 50% opacity?

rgba(185, 248, 204, 0.5), or #b9f8cc80 in eight-digit hex. Over white that composites to #DCFCE6; over black, #5D7C66.

Is #b9f8cc a web-safe color?

No. The nearest web-safe colour is #CCFFCC, ΔE2000 3.6 away. The palette only matters for legacy displays and some email clients now.

What does the color #b9f8cc mean?

As a green, it reads safe, growing, natural. Green means go, well, and grown. It carries finance, sustainability and health with almost no explanation needed. At this chroma the effect is amplified — it will dominate whatever sits beside it.

What gradient works with #b9f8cc?

The safest is same-hue elevation: linear-gradient(135deg, #ECFDF1, #b9f8cc 45%, #0C742B). For more colour, a short hue run to #9DF1F5 keeps it rich without turning muddy.

Work with #b9f8cc in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #b9f8cc at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.