#288C56#288C56

#288C56 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.9% C 0.124 H 155.1°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#288C56
RGB	rgb(40, 140, 86)
HSL	hsl(148, 56%, 35%)
HSV	hsv(148, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 38.6%, 45.1%)
CIE-LAB	lab(51.70, -41.45, 20.81)
CIE-LCH	lch(51.70, 46.38, 153.35°)
OKLab	oklab(56.94% -0.112 0.0521)
OKLCH	oklch(56.94% 0.124 155.1)
XYZ	xyz(11.9318, 19.8778, 12.0103)
Luminance	0.1988 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C56 #8C285E

analogous

#2C8C28 #288C56 #288C88

triadic

#288C56 #56288C #8C5628

tetradic

#288C56 #282C8C #8C285E #8C8828

square

#288C56 #282C8C #8C285E #8C8828

split-complementary

#288C56 #88288C #8C282C

monochromatic

#0D2D1C #1A5C39 #288C56 #36BC73 #5ED193

Accessibility & contrast

On white

4.22

#288C56 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#288C56 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C56

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C56	#FFFFFF	#000000	##000000
##288C56	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8152

Deuteranopia (green-blind)

#7F785A

Tritanopia (blue-blind)

#008B7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c56;
/* rgb */ color: rgb(40, 140, 86);
/* oklch */ color: oklch(56.9% 0.124 155.1);

Tailwind

colors: {
  custom: {
    50: '#70ae86',
    500: '#288c56',
    950: '#000000',
  },
}

SCSS

$custom: #288c56;
$custom-light: #70ae86;
$custom-dark: #000000;

JSON

{
  "hex": "#288c56",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 86
  },
  "hsl": {
    "h": 147.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.5694,
    "c": 0.12354,
    "h": 155.1
  },
  "luminance": 0.19879
}

Semantic roles & 50–950 ramp

primary

#288C56

secondary

#B65A8C

accent

#499ADF

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288C56

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

Preview Lab → · Contrast checker → · Palette generator →