#278D40#278D40

#278D40 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.8% C 0.146 H 147.7°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#278D40
RGB	rgb(39, 141, 64)
HSL	hsl(135, 57%, 35%)
HSV	hsv(135, 72%, 55%)
CMYK	cmyk(72.3%, 0%, 54.6%, 44.7%)
CIE-LAB	lab(51.67, -45.91, 32.60)
CIE-LCH	lch(51.67, 56.31, 144.62°)
OKLab	oklab(56.8% -0.1237 0.0783)
OKLCH	oklch(56.8% 0.146 147.7)
XYZ	xyz(11.2861, 19.8500, 8.0861)
Luminance	0.1985 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278D40 #8D2774

analogous

#418D27 #278D40 #278D73

triadic

#278D40 #40278D #8D4027

tetradic

#278D40 #27418D #8D2774 #8D7327

square

#278D40 #27418D #8D2774 #8D7327

split-complementary

#278D40 #73278D #8D2741

monochromatic

#0C2D14 #1A5D2A #278D40 #34BD56 #5CD279

Accessibility & contrast

On white

4.23

#278D40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#278D40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278D40

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278D40	#FFFFFF	#000000	##000000
##278D40	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8039

Deuteranopia (green-blind)

#827846

Tritanopia (blue-blind)

#008A7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #278d40;
/* rgb */ color: rgb(39, 141, 64);
/* oklch */ color: oklch(56.8% 0.146 147.7);

Tailwind

colors: {
  custom: {
    50: '#70af77',
    500: '#278d40',
    950: '#000000',
  },
}

SCSS

$custom: #278d40;
$custom-light: #70af77;
$custom-dark: #000000;

JSON

{
  "hex": "#278d40",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 64
  },
  "hsl": {
    "h": 134.706,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56796,
    "c": 0.14638,
    "h": 147.7
  },
  "luminance": 0.19851
}

Semantic roles & 50–950 ramp

primary

#278D40

secondary

#B759A0

accent

#48BBE0

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091009

muted

#7B7F7B

Preview Lab

Preview with #278D40

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

Preview Lab → · Contrast checker → · Palette generator →