#288E43#288E43

#288E43 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.1% C 0.145 H 148.2°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#288E43
RGB	rgb(40, 142, 67)
HSL	hsl(136, 56%, 36%)
HSV	hsv(136, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 52.8%, 44.3%)
CIE-LAB	lab(52.06, -45.65, 31.54)
CIE-LCH	lch(52.06, 55.49, 145.35°)
OKLab	oklab(57.14% -0.1229 0.0762)
OKLCH	oklch(57.14% 0.145 148.2)
XYZ	xyz(11.5603, 20.2011, 8.5991)
Luminance	0.2020 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E43 #8E2873

analogous

#408E28 #288E43 #288E76

triadic

#288E43 #43288E #8E4328

tetradic

#288E43 #28408E #8E2873 #8E7628

square

#288E43 #28408E #8E2873 #8E7628

split-complementary

#288E43 #76288E #8E2840

monochromatic

#0D2F16 #1B5E2C #288E43 #35BE5A #5FD27D

Accessibility & contrast

On white

4.17

#288E43 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#288E43 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E43

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E43	#FFFFFF	#000000	##000000
##288E43	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F813D

Deuteranopia (green-blind)

#837949

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288e43;
/* rgb */ color: rgb(40, 142, 67);
/* oklch */ color: oklch(57.1% 0.145 148.2);

Tailwind

colors: {
  custom: {
    50: '#71b079',
    500: '#288e43',
    950: '#000000',
  },
}

SCSS

$custom: #288e43;
$custom-light: #71b079;
$custom-dark: #000000;

JSON

{
  "hex": "#288e43",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 67
  },
  "hsl": {
    "h": 135.882,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57143,
    "c": 0.14461,
    "h": 148.2
  },
  "luminance": 0.20202
}

Semantic roles & 50–950 ramp

primary

#288E43

secondary

#B75B9F

accent

#48B7DF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091109

muted

#7B807B

Preview Lab

Preview with #288E43

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

Preview Lab → · Contrast checker → · Palette generator →