#288D56#288D56

#288D56 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.2% C 0.125 H 154.8°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#288D56
RGB	rgb(40, 141, 86)
HSL	hsl(147, 56%, 35%)
HSV	hsv(147, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 39%, 44.7%)
CIE-LAB	lab(52.03, -41.86, 21.25)
CIE-LCH	lch(52.03, 46.94, 153.09°)
OKLab	oklab(57.21% -0.1131 0.0531)
OKLCH	oklch(57.21% 0.125 154.8)
XYZ	xyz(12.0786, 20.1714, 12.0592)
Luminance	0.2017 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D56 #8D285F

analogous

#2C8D28 #288D56 #288D88

triadic

#288D56 #56288D #8D5628

tetradic

#288D56 #282C8D #8D285F #8D8828

square

#288D56 #282C8D #8D285F #8D8828

split-complementary

#288D56 #88288D #8D282C

monochromatic

#0D2E1C #1A5D39 #288D56 #36BD73 #5ED193

Accessibility & contrast

On white

4.17

#288D56 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#288D56 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D56

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D56	#FFFFFF	#000000	##000000
##288D56	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8152

Deuteranopia (green-blind)

#80785A

Tritanopia (blue-blind)

#008B7F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288d56;
/* rgb */ color: rgb(40, 141, 86);
/* oklch */ color: oklch(57.2% 0.125 154.8);

Tailwind

colors: {
  custom: {
    50: '#70af86',
    500: '#288d56',
    950: '#000000',
  },
}

SCSS

$custom: #288d56;
$custom-light: #70af86;
$custom-dark: #000000;

JSON

{
  "hex": "#288d56",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 86
  },
  "hsl": {
    "h": 147.327,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57213,
    "c": 0.12494,
    "h": 154.8
  },
  "luminance": 0.20173
}

Semantic roles & 50–950 ramp

primary

#288D56

secondary

#B75A8D

accent

#499BDF

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288D56

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

Preview Lab → · Contrast checker → · Palette generator →