#278F37#278F37

#278F37 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.2% C 0.157 H 145.5°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#278F37
RGB	rgb(39, 143, 55)
HSL	hsl(129, 57%, 36%)
HSV	hsv(129, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 61.5%, 43.9%)
CIE-LAB	lab(52.23, -47.90, 37.74)
CIE-LCH	lch(52.23, 60.98, 141.77°)
OKLab	oklab(57.23% -0.1293 0.0888)
OKLCH	oklch(57.23% 0.157 145.5)
XYZ	xyz(11.3480, 20.3508, 6.9437)
Luminance	0.2035 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F37 #8F277F

analogous

#4B8F27 #278F37 #278F6B

triadic

#278F37 #37278F #8F3727

tetradic

#278F37 #274B8F #8F277F #8F6B27

square

#278F37 #274B8F #8F277F #8F6B27

split-complementary

#278F37 #6B278F #8F274B

monochromatic

#0D2F12 #1A5F25 #278F37 #34BF49 #5DD370

Accessibility & contrast

On white

4.14

#278F37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#278F37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F37

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F37	#FFFFFF	#000000	##000000
##278F37	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91822E

Deuteranopia (green-blind)

#85793E

Tritanopia (blue-blind)

#008B7C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278f37;
/* rgb */ color: rgb(39, 143, 55);
/* oklch */ color: oklch(57.2% 0.157 145.5);

Tailwind

colors: {
  custom: {
    50: '#71b171',
    500: '#278f37',
    950: '#000000',
  },
}

SCSS

$custom: #278f37;
$custom-light: #71b171;
$custom-dark: #000000;

JSON

{
  "hex": "#278f37",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 55
  },
  "hsl": {
    "h": 129.231,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57228,
    "c": 0.15688,
    "h": 145.5
  },
  "luminance": 0.20352
}

Semantic roles & 50–950 ramp

primary

#278F37

secondary

#B85AAA

accent

#47C9E0

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091108

muted

#7B807B

Preview Lab

Preview with #278F37

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

Preview Lab → · Contrast checker → · Palette generator →