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#8ff4df

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

RGB
143, 244, 223
HSL
168°, 82%, 76%
CMYK
41, 0, 9, 4
Luminance
0.7587

At a glance

Every number on this page in one read: what #8ff4df is made of, how bright it looks, and which way it leans.

Hex
#8ff4df
Hue
168°
cyan
Saturation
82%
electric
Lightness
76%
light
Brightness
96%
HSV value
Perceived
85%
weighted brightness
Luminance
0.7587
WCAG relative
Temperature
Cool
82/100 cool
Color family
Cyan
Tone
Electric
Best ink
Black
16.17:1
Closest name
Aqua Marine
ΔE2000 6.4
Where it sits
Hue168° of 360°
Saturation82%
Lightness76%
Temperature
Warm ← → Cool82% cool

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

Every format

HEX#8ff4df
RGBrgb(143, 244, 223)
HSLhsl(168, 82%, 76%)
CMYKcmyk(41%, 0%, 9%, 4%)
LABlab(89.8 -34.4 0.9)
LCHlch(89.8 34.4 178.6)
OKLCHoklch(0.899 0.100 179.0)
Decimal9434335
Display P3color(display-p3 0.561 0.957 0.875)

Copy-ready code

/* CSS */
color: #8ff4df;
background-color: #8ff4df;
/* Tailwind (arbitrary) */
class="text-[#8ff4df] bg-[#8ff4df]"
/* SCSS */
$brand: #8ff4df;
/* SwiftUI */
Color(red: 0.561, green: 0.957, blue: 0.875)
/* Android */
Color.parseColor("#8ff4df")
/* Flutter */
Color(0xFF8FF4DF)
/* Python / OpenCV (BGR) */
(223, 244, 143)

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 #8ff4df · 16.17:1
Use #000000AAA at every size.
Aa
White text · 1.30:1
AA fail · AA large fail · AAA fail
Aa
Black text · 16.17:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #8ff4df as text scores 1.30:1 on white and 16.17:1 on black.

Accessibility — WCAG contrast

Aa
#8ff4df on white: 1.30:1
AA ✗ fail · AA-large · AAA
Aa
#8ff4df on black: 16.17:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #EDE9DE
deuteranopia · #DBDDE1
tritanopia · #6AF7EE

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #8ff4df is pinned to step 300; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F2FCFA
#E6FAF5
#C6F6EC
#8ff4df
#66F0D3
#33EBC5
#16DFB5
#12BA97
#0F9579
#0F6B58
#094337
Base = 300Lightest = 50 · #F2FCFADarkest = 950 · #094337
:root {
  --brand-50: #F2FCFA;
  --brand-100: #E6FAF5;
  --brand-200: #C6F6EC;
  --brand-300: #8ff4df;
  --brand-400: #66F0D3;
  --brand-500: #33EBC5;
  --brand-600: #16DFB5;
  --brand-700: #12BA97;
  --brand-800: #0F9579;
  --brand-900: #0F6B58;
  --brand-950: #094337;
  --brand: #8ff4df;
  --brand-ink: #000000;
}

Colors that work with #8ff4df

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#F4FAF9
Tinted page background
Border#C0EDE3
Hairlines and dividers
Muted text#4B9B8A
Captions on the surface
Accent#BD0F5E
Second voice, not a rival
Dark variant#0B745E
Hover, pressed, headers
Light variant#E8FDF8
Selected rows, tints
Dark surface#142421
Dark-mode background
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

How to use #8ff4df

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
  • Thin strokes and 1px borders — they disappear on light UI
  • Pairing with a same-lightness hue — edges vibrate

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#F48FA4
Analogous left#8FF4AD
Analogous right#8FD7F4
Split-complement 1#F48FD7
Split-complement 2#F4AD8F
Triadic 1#DF8FF4
Triadic 2#F4DF8F
Tetradic#AD8FF4

RGB percentages

Red56.1%
Green95.7%
Blue87.5%

CMYK percentages

Cyan41.4%
Magenta0.0%
Yellow8.6%
Key (black)4.3%

Color previews

#8ff4df text on a black background

contrast 16.17:1

Card sample

#8ff4df text on a white background

contrast 1.30:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #8ff4df;
Background color
Panel with #8ff4df background
background-color: #8ff4df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #8ff4df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(143, 244, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(143, 244, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #8ff4df;
background: linear-gradient(135deg, #8ff4df, #8FC6F4);

Monochromatic scale

Palettes built from #8ff4df

Shades — darker

Tints — lighter

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.

#8ff4df in the real world

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

Industries
TechnologyTravelHealthcareMedia
Common UI roles
SurfacesBadgesHighlightsEmpty states
Print note

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

#8ff4df, answered

What color is #8ff4df?

#8ff4df is a light electric cyan, closest to Aqua Marine (ΔE2000 6.4). It sits at 168° on the hue wheel with 82% saturation and 76% lightness, which reads as cool.

What is the RGB value of #8ff4df?

rgb(143, 244, 223) — 143 red, 244 green and 223 blue out of 255, or 56.1% / 95.7% / 87.5% by channel.

Is #8ff4df a light or a dark color?

It is a light color. Relative luminance is 0.7587 and perceived brightness is 85%, so black text on it reaches 16.17:1.

Should I use black or white text on #8ff4df?

Black. It scores 16.17:1 against #8ff4df, versus 1.30:1 for white — AAA at any size.

What is the complementary color of #8ff4df?

#F48FA4 sits directly opposite on the wheel. Softer options are the split-complements #F48FD7 and #F4AD8F, which give the same contrast with far less vibration.

What colors go well with #8ff4df?

For interface work: #F4FAF9 as the surface, #C0EDE3 for borders, #4B9B8A for secondary text, #BD0F5E as an accent and #0B745E for hover and pressed states. For a palette, the analogous pair #8FF4AD and #8FD7F4 stays calm, while #F48FA4 is the loudest partner.

What is #8ff4df in CMYK for printing?

cmyk(41%, 0%, 9%, 4%). 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 #8ff4df warm or cool?

Cool — it scores 82 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #8FF4BA; nudged cooler, #8EE5F5.

Work with #8ff4df in the Color Lab