#288D39#288D39

#288D39 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.7% C 0.152 H 145.9°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#288D39
RGB	rgb(40, 141, 57)
HSL	hsl(130, 56%, 35%)
HSV	hsv(130, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 59.6%, 44.7%)
CIE-LAB	lab(51.60, -46.73, 36.04)
CIE-LCH	lch(51.60, 59.01, 142.35°)
OKLab	oklab(56.72% -0.1261 0.0854)
OKLCH	oklch(56.72% 0.152 145.9)
XYZ	xyz(11.1377, 19.7951, 7.1040)
Luminance	0.1980 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D39 #8D287C

analogous

#498D28 #288D39 #288D6B

triadic

#288D39 #39288D #8D3928

tetradic

#288D39 #28498D #8D287C #8D6B28

square

#288D39 #28498D #8D287C #8D6B28

split-complementary

#288D39 #6B288D #8D2849

monochromatic

#0D2E12 #1A5D26 #288D39 #36BD4C #5ED171

Accessibility & contrast

On white

4.23

#288D39 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#288D39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D39

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D39	#FFFFFF	#000000	##000000
##288D39	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8031

Deuteranopia (green-blind)

#837840

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288d39;
/* rgb */ color: rgb(40, 141, 57);
/* oklch */ color: oklch(56.7% 0.152 145.9);

Tailwind

colors: {
  custom: {
    50: '#71af72',
    500: '#288d39',
    950: '#000000',
  },
}

SCSS

$custom: #288d39;
$custom-light: #71af72;
$custom-dark: #000000;

JSON

{
  "hex": "#288d39",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 57
  },
  "hsl": {
    "h": 130.099,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56723,
    "c": 0.15227,
    "h": 145.9
  },
  "luminance": 0.19796
}

Semantic roles & 50–950 ramp

primary

#288D39

secondary

#B75AA7

accent

#49C6DF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091008

muted

#7B7F7B

Preview Lab

Preview with #288D39

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

Preview Lab → · Contrast checker → · Palette generator →