#288F37#288F37

#288F37 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.3% C 0.157 H 145.4°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#288F37
RGB	rgb(40, 143, 55)
HSL	hsl(129, 56%, 36%)
HSV	hsv(129, 72%, 56%)
CMYK	cmyk(72%, 0%, 61.5%, 43.9%)
CIE-LAB	lab(52.25, -47.72, 37.77)
CIE-LCH	lch(52.25, 60.85, 141.64°)
OKLab	oklab(57.25% -0.1288 0.0889)
OKLCH	oklch(57.25% 0.157 145.4)
XYZ	xyz(11.3863, 20.3706, 6.9455)
Luminance	0.2037 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F37 #8F2880

analogous

#4C8F28 #288F37 #288F6A

triadic

#288F37 #37288F #8F3728

tetradic

#288F37 #284C8F #8F2880 #8F6A28

square

#288F37 #284C8F #8F2880 #8F6A28

split-complementary

#288F37 #6A288F #8F284C

monochromatic

#0D2F12 #1B5F25 #288F37 #35BF49 #5FD270

Accessibility & contrast

On white

4.14

#288F37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#288F37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F37

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F37	#FFFFFF	#000000	##000000
##288F37	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: #288f37;
/* rgb */ color: rgb(40, 143, 55);
/* oklch */ color: oklch(57.3% 0.157 145.4);

Tailwind

colors: {
  custom: {
    50: '#71b171',
    500: '#288f37',
    950: '#000000',
  },
}

SCSS

$custom: #288f37;
$custom-light: #71b171;
$custom-dark: #000000;

JSON

{
  "hex": "#288f37",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 55
  },
  "hsl": {
    "h": 128.738,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57253,
    "c": 0.15654,
    "h": 145.4
  },
  "luminance": 0.20372
}

Semantic roles & 50–950 ramp

primary

#288F37

secondary

#B85BAA

accent

#48CAE0

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091108

muted

#7B807B

Preview Lab

Preview with #288F37

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

Preview Lab → · Contrast checker → · Palette generator →