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green · cool

#3d8331

a dark, vivid green · cool · closest name: Forest Green

Token name suggestion: Shadow Basil

RGB
61, 131, 49
HSL
111°, 46%, 35%
CMYK
53, 0, 63, 49
Luminance
0.1745

#3d8331 is a dark vivid green, 111° on the wheel and 59/100 on the cool side. Put white text on it (4.68:1). As text it scores 4.68:1 on white — safe at any size. Nearest name is Forest Green, nearest Tailwind family is emerald.

hsl(111 46% 35%)rgb(61 131 49)Base step 800AA inkCool

At a glance

Every number on this page in one read: what #3d8331 is made of, how bright it looks, and which way it leans.

Hex
#3d8331
Hue
111°
green
Saturation
46%
vivid
Lightness
35%
dark
Brightness
51%
HSV value
Perceived
42%
weighted brightness
Luminance
0.1745
WCAG relative
Temperature
Cool
59/100 cool
Color family
Green
Tone
Vivid
Best ink
White
4.68:1
Closest name
Forest Green
ΔE2000 4.1
Chroma
53.5
LCH, 0–130ish
OKLCH L
0.546
perceptual lightness
Tailwind
emerald
500 · ΔE 19.7
Web-safe
#339933
nearest of 216
Where it sits
Hue111° of 360°
Saturation46%
Lightness35%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #3d8331.

Temperature
Warm ← → Cool59% 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
Red6%
Green93%
Blue1%

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

Every format

HEX#3d8331
HEX (8-digit)#3d8331ff
RGBrgb(61, 131, 49)
RGBArgba(61, 131, 49, 1)
HSLhsl(111, 46%, 35%)
HSV / HSBhsv(111, 63%, 51%)
HWBhwb(111 19% 49%)
CMYKcmyk(53%, 0%, 63%, 49%)
LABlab(48.8 -38.8 36.9)
LCHlch(48.8 53.5 136.4)
OKLCHoklch(0.546 0.137 140.8)
XYZ (D65)xyz(10.59, 17.45, 5.71)
Decimal4031281
Display P3color(display-p3 0.239 0.514 0.192)
Web-safe#339933

Copy-ready code

every platformclick to select
/* CSS */
color: #3d8331;
background-color: #3d8331;
/* CSS custom property */
--brand: #3d8331;
/* Tailwind (arbitrary) */
class="text-[#3d8331] bg-[#3d8331]"
/* SCSS */
$brand: #3d8331;
/* SwiftUI */
Color(red: 0.239, green: 0.514, blue: 0.192)
/* UIKit */
UIColor(red: 0.239, green: 0.514, blue: 0.192, alpha: 1)
/* Android XML */
<color name="brand">#3D8331</color>
/* Android Compose */
Color(0xFF3D8331)
/* Flutter */
Color(0xFF3D8331)
/* Python / OpenCV (BGR) */
(49, 131, 61)
/* Python / PIL (RGB) */
(61, 131, 49)
/* Java AWT */
new Color(61, 131, 49)
/* .NET */
Color.FromArgb(255, 61, 131, 49)
/* OpenGL / Unity (0–1) */
(0.2392f, 0.5137f, 0.1922f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{61,131,49}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #3d8331 85%, white);
border-color: color-mix(in oklab, #3d8331 40%, transparent);
/* theme-aware in one line */
color: light-dark(#2B5D23, #D7EED3);
/* relative colour syntax */
--hover: hsl(from #3d8331 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: #F5FAF5;
  --brand-100: #ECF5EA;
  --brand-200: #D4EBD1;
  --brand-300: #B5E0AD;
  --brand-400: #90D184;
  --brand-500: #6BC25C;
  --brand-600: #53B243;
  --brand-700: #459537;
  --brand-800: #3d8331;
  --brand-900: #2B5724;
  --brand-950: #1B3616;
  --brand: #3d8331;
  --brand-ink: #ffffff;
  --brand-surface: #F5FAF4;
  --brand-border: #C9E9C4;
  --brand-hover: #316927;
  --brand-pressed: #254F1E;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #162414;
    --brand-ink: #D7EED3;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F5FAF5',
        100: '#ECF5EA',
        200: '#D4EBD1',
        300: '#B5E0AD',
        400: '#90D184',
        500: '#6BC25C',
        600: '#53B243',
        700: '#459537',
        800: '#3d8331',
        900: '#2B5724',
        950: '#1B3616',
        DEFAULT: '#3d8331',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F5FAF5,
  '100': #ECF5EA,
  '200': #D4EBD1,
  '300': #B5E0AD,
  '400': #90D184,
  '500': #6BC25C,
  '600': #53B243,
  '700': #459537,
  '800': #3d8331,
  '900': #2B5724,
  '950': #1B3616,
);
$brand-base: #3d8331;
$brand-ink: #ffffff;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F5FAF5", "$type": "color" },
      "100": { "$value": "#ECF5EA", "$type": "color" },
      "200": { "$value": "#D4EBD1", "$type": "color" },
      "300": { "$value": "#B5E0AD", "$type": "color" },
      "400": { "$value": "#90D184", "$type": "color" },
      "500": { "$value": "#6BC25C", "$type": "color" },
      "600": { "$value": "#53B243", "$type": "color" },
      "700": { "$value": "#459537", "$type": "color" },
      "800": { "$value": "#3d8331", "$type": "color" },
      "900": { "$value": "#2B5724", "$type": "color" },
      "950": { "$value": "#1B3616", "$type": "color" }
    },
    "brandInk": { "$value": "#ffffff", "$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#ffffff on #3d8331 · 4.68:1
Use #ffffffAA at every size, AAA for large text only.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 4.68:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 4.49:1
AA fail · AA large pass · AAA fail
Reading the other direction: #3d8331 as text scores 4.68:1 on white and 4.49:1 on black.
Best tinted ink on it, if plain black or white feels flat: #EEF8EC at 4.29:1.

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
#3d8331 · 4.68:1
AA on whitealready passes
#3d8331
The quick fox
#2D6224 · 7.28:1
AAA on white−9% L
#2D6224
The quick fox
#3F8732 · 4.72:1
AA on black+1% L
#3F8732
The quick fox
#4EA83F · 7.00:1
AAA on black+10% L
#4EA83F

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #3D8331 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
#3d8331 on white: 4.68:1
AA ✓ pass · AA-large · AAA
Aa
#3d8331 on black: 4.49:1
AA ✗ fail · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #3d8331 as text on that neutral, and that neutral as text on #3d8331.

NeutralRatioBoth directions
White4.68:1AaAa
Slate 504.47:1AaAa
Slate 1004.27:1AaAa
Slate 2003.79:1AaAa
Slate 3003.15:1AaAa
Slate 4001.82:1AaAa
Slate 5001.02:1AaAa
Slate 6001.62:1AaAa
Slate 7002.21:1AaAa
Slate 8003.13:1AaAa
Slate 9003.82:1AaAa
Black4.49:1AaAa
Colour vision deficiency
true color
protanopia · #867828
deuteranopia · #7D7238
tritanopia · #357F71

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. #3d8331 is pinned to step 800; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F5FAF5
#ECF5EA
#D4EBD1
#B5E0AD
#90D184
#6BC25C
#53B243
#459537
#3d8331
#2B5724
#1B3616
Base = 800Lightest = 50 · #F5FAF5Darkest = 950 · #1B3616Text step on white = 800
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 0.034 140.8);
  --brand-100: oklch(0.94 0.055 140.8);
  --brand-200: oklch(0.88 0.082 140.8);
  --brand-300: oklch(0.80 0.107 140.8);
  --brand-400: oklch(0.72 0.126 140.8);
  --brand-500: oklch(0.64 0.137 140.8);
  --brand-600: oklch(0.56 0.137 140.8);
  --brand-700: oklch(0.48 0.128 140.8);
  --brand-800: oklch(0.40 0.115 140.8);
  --brand-900: oklch(0.32 0.096 140.8);
  --brand-950: oklch(0.24 0.075 140.8);
}

Colors that work with #3d8331

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

Text on it#ffffff
White wins here
Surface#F5FAF4
Tinted page background
Border#C9E9C4
Hairlines and dividers
Muted text#569B4B
Captions on the surface
Accent#632D87
Second voice, not a rival
Dark variant#2B5D23
Hover, pressed, headers
Light variant#EEF8EC
Selected rows, tints
Dark surface#162414
Dark-mode background
Hover#316927
One step down in lightness
Pressed#254F1E
Two steps down
Disabled#81AA7A
Chroma pulled out
Focus ring#3D9C2C
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 #3d8331

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

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Full-page backgrounds — tiring over long sessions
  • Black 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
Any size
Safe as a fill behind white type
Yes
Safe as a 1px border on white
Yes

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.

This is a confident chroma: strong enough to lead a brand, restrained enough to live in an interface all day. The low lightness adds weight and formality.

Worth knowing

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

Reads as
  • FormalityHigh
  • EnergyMedium-high
  • Weight65/100
  • TemperatureCool
  • ApproachabilityBalanced

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#773183
Analogous left#668331
Analogous right#31834E
Split-complement 1#4E3183
Split-complement 2#833166
Triadic 1#313D83
Triadic 2#83313D
Tetradic#316683
On the wheel
Base+30°−30°+120°+240°+180°111°

#3d8331 sits at 111°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red23.9%
Green51.4%
Blue19.2%
R · 0–255
61
0x3d
G · 0–255
131
0x83
B · 0–255
49
0x31

CMYK percentages

Cyan53.4%
Magenta0.0%
Yellow62.6%
Key (black)48.6%

Total ink coverage is 165%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#3d8331 text on a black background

contrast 4.49:1

Card sample

#3d8331 text on a white background

contrast 4.68:1

Card sample

#3d8331 on grey

4.27:1

#3d8331 on its own surface

4.42:1

#3d8331 on its dark surface

3.46:1

CSS3 live lab

Text font color

The quick brown fox

color: #3d8331;
Background color
Panel with #3d8331 background
background-color: #3d8331;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #3d8331;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(61, 131, 49, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(61, 131, 49, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3d8331;
background: linear-gradient(135deg, #3d8331, #31835C);
Gradient text

Gradient headline

background: linear-gradient(90deg, #3d8331, #318370);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #3d8331;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #3d8331;
caret-color: #3d8331;
Left rule
Pull quote or callout
border-left: 4px solid #3d8331;
Ring + tint
Selected chip
background: #EEF8EC;
box-shadow: inset 0 0 0 2px #3d8331;
Conic badge
68%
background: conic-gradient(#3d8331 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #3d8331 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(61, 131, 49, 0.5)
rgb(61 131 49 / 50%)
#3d833180
hsl(111 46% 35% / 50%)
color-mix(in srgb, #3d8331 50%, transparent)
Alpha8-digit hexFlat on white
10%#3d83311a#ECF3EA
20%#3d833133#D8E6D6
40%#3d833166#B1CDAD
60%#3d833199#8BB583
80%#3d8331cc#649C5A

Gradients from #3d8331

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, #52B042, #3d8331 45%, #2B5D23);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #3d8331, #296D52);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #3d8331, #773183);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #62BE52 0%, #3d8331 45%, #2B5D23 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F5FAF4, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #8CA83F 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #399963 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #2B5D23 0%, transparent 65%), #3d8331;

Monochromatic scale

Palettes built from #3d8331

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.

#3d8331 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
ButtonsLinksFocus statesCharts
Print note

Converts to four-color process without much drama. Proof it anyway.

On screens

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

In dark mode

Too dim on dark surfaces at 4.49:1 — lift it to #3F8732 for body text, or reserve it for fills.

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.

#3d8331, answered

What color is #3d8331?

#3d8331 is a dark vivid green, closest to Forest Green (ΔE2000 4.1). It sits at 111° on the hue wheel with 46% saturation and 35% lightness, which reads as cool.

What is the RGB value of #3d8331?

rgb(61, 131, 49) — 61 red, 131 green and 49 blue out of 255, or 23.9% / 51.4% / 19.2% by channel.

What is #3d8331 in HSL and HSV?

hsl(111, 46%, 35%) and hsv(111, 63%, 51%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #3d8331 a light or a dark color?

It is a dark color. Relative luminance is 0.1745 and perceived brightness is 42%, so white text on it reaches 4.68:1.

Should I use black or white text on #3d8331?

White. It scores 4.68:1 against #3d8331, versus 4.49:1 for black — AA at any size.

Is #3d8331 accessible on a white background?

#3d8331 on white scores 4.68:1, which clears AA at every size but not AAA.

What is the complementary color of #3d8331?

#773183 sits directly opposite on the wheel. Softer options are the split-complements #4E3183 and #833166, which give the same contrast with far less vibration.

What colors go well with #3d8331?

For interface work: #F5FAF4 as the surface, #C9E9C4 for borders, #569B4B for secondary text, #632D87 as an accent and #2B5D23 for hover and pressed states. For a palette, the analogous pair #668331 and #31834E stays calm, while #773183 is the loudest partner.

What is #3d8331 in CMYK for printing?

cmyk(53%, 0%, 63%, 49%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #3d8331 warm or cool?

Cool — it scores 59 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #5B8331; nudged cooler, #2F8542.

Which Tailwind color is closest to #3d8331?

The emerald family — its 500 step is #10b981, ΔE2000 19.7 away. That is a visible difference, so define #3d8331 as a custom token rather than reaching for the built-in.

How do I use #3d8331 in Tailwind CSS?

Inline it as an arbitrary value with bg-[#3d8331] or text-[#3d8331], 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 #3d8331 with 50% opacity?

rgba(61, 131, 49, 0.5), or #3d833180 in eight-digit hex. Over white that composites to #9EC198; over black, #1F4219.

Is #3d8331 a web-safe color?

No. The nearest web-safe colour is #339933, ΔE2000 7.7 away. The palette only matters for legacy displays and some email clients now.

What does the color #3d8331 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 #3d8331?

The safest is same-hue elevation: linear-gradient(135deg, #52B042, #3d8331 45%, #2B5D23). For more colour, a short hue run to #296D52 keeps it rich without turning muddy.

Work with #3d8331 in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #3d8331 at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.