#278D10#278D10

#278D10 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.4% C 0.178 H 140.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#278D10
RGB	rgb(39, 141, 16)
HSL	hsl(109, 80%, 31%)
HSV	hsv(109, 89%, 55%)
CMYK	cmyk(72.3%, 0%, 88.7%, 44.7%)
CIE-LAB	lab(51.29, -50.46, 51.19)
CIE-LCH	lch(51.29, 71.89, 134.59°)
OKLab	oklab(56.36% -0.1381 0.1122)
OKLCH	oklch(56.36% 0.178 140.9)
XYZ	xyz(10.4545, 19.5174, 3.7064)
Luminance	0.1952 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278D10 #76108D

analogous

#658D10 #278D10 #108D37

triadic

#278D10 #10278D #8D1027

tetradic

#278D10 #10658D #76108D #8D3710

square

#278D10 #10658D #76108D #8D3710

split-complementary

#278D10 #37108D #8D1065

monochromatic

#091F04 #18560A #278D10 #36C416 #52E730

Accessibility & contrast

On white

4.28

#278D10 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#278D10 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278D10

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278D10	#FFFFFF	#000000	##000000
##278D10	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#857722

Tritanopia (blue-blind)

#0D8877

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278d10;
/* rgb */ color: rgb(39, 141, 16);
/* oklch */ color: oklch(56.4% 0.178 140.9);

Tailwind

colors: {
  custom: {
    50: '#72af5d',
    500: '#278d10',
    950: '#000000',
  },
}

SCSS

$custom: #278d10;
$custom-light: #72af5d;
$custom-dark: #000000;

JSON

{
  "hex": "#278d10",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 16
  },
  "hsl": {
    "h": 108.96,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.56358,
    "c": 0.17789,
    "h": 140.9
  },
  "luminance": 0.19518
}

Semantic roles & 50–950 ramp

primary

#278D10

secondary

#A837C2

accent

#32F6D2

background

#F7FAF5

surface

#EDF5EA

border

#C8CFC6

text

#091005

muted

#7B7F79

Preview Lab

Preview with #278D10

Body copy rendered with the generated semantic roles for this colour.

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