#288D43#288D43

#288D43 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.9% C 0.143 H 148.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#288D43
RGB	rgb(40, 141, 67)
HSL	hsl(136, 56%, 35%)
HSV	hsv(136, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 52.5%, 44.7%)
CIE-LAB	lab(51.73, -45.27, 31.13)
CIE-LCH	lch(51.73, 54.94, 145.48°)
OKLab	oklab(56.87% -0.1219 0.0752)
OKLCH	oklch(56.87% 0.143 148.3)
XYZ	xyz(11.4122, 19.9049, 8.5497)
Luminance	0.1991 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D43 #8D2872

analogous

#3F8D28 #288D43 #288D75

triadic

#288D43 #43288D #8D4328

tetradic

#288D43 #283F8D #8D2872 #8D7528

square

#288D43 #283F8D #8D2872 #8D7528

split-complementary

#288D43 #75288D #8D283F

monochromatic

#0D2E16 #1A5D2C #288D43 #36BD5A #5ED17D

Accessibility & contrast

On white

4.22

#288D43 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#288D43 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D43

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D43	#FFFFFF	#000000	##000000
##288D43	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)

#8E803D

Deuteranopia (green-blind)

#827848

Tritanopia (blue-blind)

#008A7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288d43;
/* rgb */ color: rgb(40, 141, 67);
/* oklch */ color: oklch(56.9% 0.143 148.3);

Tailwind

colors: {
  custom: {
    50: '#70af79',
    500: '#288d43',
    950: '#000000',
  },
}

SCSS

$custom: #288d43;
$custom-light: #70af79;
$custom-dark: #000000;

JSON

{
  "hex": "#288d43",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 67
  },
  "hsl": {
    "h": 136.04,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56867,
    "c": 0.14326,
    "h": 148.3
  },
  "luminance": 0.19906
}

Semantic roles & 50–950 ramp

primary

#288D43

secondary

#B75A9E

accent

#49B7DF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091009

muted

#7B7F7B

Preview Lab

Preview with #288D43

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

Preview Lab → · Contrast checker → · Palette generator →