#288F4E#288F4E

#288F4E is a mid, vivid green. Relative luminance 0.206; OKLCH L 57.6% C 0.136 H 151.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#288F4E
RGB	rgb(40, 143, 78)
HSL	hsl(142, 56%, 36%)
HSV	hsv(142, 72%, 56%)
CMYK	cmyk(72%, 0%, 45.5%, 43.9%)
CIE-LAB	lab(52.56, -44.18, 26.33)
CIE-LCH	lch(52.56, 51.43, 149.21°)
OKLab	oklab(57.6% -0.119 0.0648)
OKLCH	oklch(57.6% 0.136 151.4)
XYZ	xyz(12.0717, 20.6447, 10.5549)
Luminance	0.2065 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F4E #8F2869

analogous

#358F28 #288F4E #288F81

triadic

#288F4E #4E288F #8F4E28

tetradic

#288F4E #28358F #8F2869 #8F8128

square

#288F4E #28358F #8F2869 #8F8128

split-complementary

#288F4E #81288F #8F2835

monochromatic

#0D2F1A #1B5F34 #288F4E #35BF68 #5FD28A

Accessibility & contrast

On white

4.09

#288F4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#288F4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F4E

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F4E	#FFFFFF	#000000	##000000
##288F4E	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8349

Deuteranopia (green-blind)

#837A52

Tritanopia (blue-blind)

#008D7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288f4e;
/* rgb */ color: rgb(40, 143, 78);
/* oklch */ color: oklch(57.6% 0.136 151.4);

Tailwind

colors: {
  custom: {
    50: '#71b180',
    500: '#288f4e',
    950: '#000000',
  },
}

SCSS

$custom: #288f4e;
$custom-light: #71b180;
$custom-dark: #000000;

JSON

{
  "hex": "#288f4e",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 78
  },
  "hsl": {
    "h": 142.136,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57604,
    "c": 0.1355,
    "h": 151.4
  },
  "luminance": 0.20646
}

Semantic roles & 50–950 ramp

primary

#288F4E

secondary

#B85B96

accent

#48A8E0

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#09110A

muted

#7B807C

Preview Lab

Preview with #288F4E

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

Preview Lab → · Contrast checker → · Palette generator →