#288D55#288D55

#288D55 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.2% C 0.126 H 154.4°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#288D55
RGB	rgb(40, 141, 85)
HSL	hsl(147, 56%, 35%)
HSV	hsv(147, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 39.7%, 44.7%)
CIE-LAB	lab(52.01, -42.06, 21.78)
CIE-LCH	lch(52.01, 47.36, 152.62°)
OKLab	oklab(57.19% -0.1136 0.0544)
OKLCH	oklch(57.19% 0.126 154.4)
XYZ	xyz(12.0386, 20.1554, 11.8485)
Luminance	0.2016 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D55 #8D2860

analogous

#2D8D28 #288D55 #288D87

triadic

#288D55 #55288D #8D5528

tetradic

#288D55 #282D8D #8D2860 #8D8728

square

#288D55 #282D8D #8D2860 #8D8728

split-complementary

#288D55 #87288D #8D282D

monochromatic

#0D2E1C #1A5D38 #288D55 #36BD72 #5ED191

Accessibility & contrast

On white

4.17

#288D55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#288D55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D55

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D55	#FFFFFF	#000000	##000000
##288D55	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)

#8D8151

Deuteranopia (green-blind)

#807859

Tritanopia (blue-blind)

#008B7F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288d55;
/* rgb */ color: rgb(40, 141, 85);
/* oklch */ color: oklch(57.2% 0.126 154.4);

Tailwind

colors: {
  custom: {
    50: '#70af85',
    500: '#288d55',
    950: '#000000',
  },
}

SCSS

$custom: #288d55;
$custom-light: #70af85;
$custom-dark: #000000;

JSON

{
  "hex": "#288d55",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 85
  },
  "hsl": {
    "h": 146.733,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57193,
    "c": 0.12591,
    "h": 154.4
  },
  "luminance": 0.20157
}

Semantic roles & 50–950 ramp

primary

#288D55

secondary

#B75A8D

accent

#499CDF

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288D55

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

Preview Lab → · Contrast checker → · Palette generator →