#288D3D#288D3D

#288D3D is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.8% C 0.149 H 146.8°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#288D3D
RGB	rgb(40, 141, 61)
HSL	hsl(132, 56%, 35%)
HSV	hsv(132, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 56.7%, 44.7%)
CIE-LAB	lab(51.65, -46.17, 34.11)
CIE-LCH	lch(51.65, 57.41, 143.54°)
OKLab	oklab(56.78% -0.1245 0.0815)
OKLCH	oklch(56.78% 0.149 146.8)
XYZ	xyz(11.2414, 19.8366, 7.6504)
Luminance	0.1984 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D3D #8D2878

analogous

#468D28 #288D3D #288D6F

triadic

#288D3D #3D288D #8D3D28

tetradic

#288D3D #28468D #8D2878 #8D6F28

square

#288D3D #28468D #8D2878 #8D6F28

split-complementary

#288D3D #6F288D #8D2846

monochromatic

#0D2E14 #1A5D28 #288D3D #36BD52 #5ED176

Accessibility & contrast

On white

4.23

#288D3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#288D3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D3D

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D3D	#FFFFFF	#000000	##000000
##288D3D	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8035

Deuteranopia (green-blind)

#837843

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288d3d;
/* rgb */ color: rgb(40, 141, 61);
/* oklch */ color: oklch(56.8% 0.149 146.8);

Tailwind

colors: {
  custom: {
    50: '#71af75',
    500: '#288d3d',
    950: '#000000',
  },
}

SCSS

$custom: #288d3d;
$custom-light: #71af75;
$custom-dark: #000000;

JSON

{
  "hex": "#288d3d",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 61
  },
  "hsl": {
    "h": 132.475,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56777,
    "c": 0.14876,
    "h": 146.8
  },
  "luminance": 0.19838
}

Semantic roles & 50–950 ramp

primary

#288D3D

secondary

#B75AA3

accent

#49C0DF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091008

muted

#7B7F7B

Preview Lab

Preview with #288D3D

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

Preview Lab → · Contrast checker → · Palette generator →