#288D4C#288D4C

#288D4C is a mid, vivid green. Relative luminance 0.200; OKLCH L 57.0% C 0.135 H 151.1°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#288D4C
RGB	rgb(40, 141, 76)
HSL	hsl(141, 56%, 35%)
HSV	hsv(141, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 46.1%, 44.7%)
CIE-LAB	lab(51.86, -43.76, 26.52)
CIE-LCH	lch(51.86, 51.16, 148.78°)
OKLab	oklab(57.02% -0.1179 0.0652)
OKLCH	oklch(57.02% 0.135 151.1)
XYZ	xyz(11.7035, 20.0214, 10.0838)
Luminance	0.2002 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D4C #8D2869

analogous

#368D28 #288D4C #288D7E

triadic

#288D4C #4C288D #8D4C28

tetradic

#288D4C #28368D #8D2869 #8D7E28

square

#288D4C #28368D #8D2869 #8D7E28

split-complementary

#288D4C #7E288D #8D2836

monochromatic

#0D2E19 #1A5D32 #288D4C #36BD66 #5ED187

Accessibility & contrast

On white

4.20

#288D4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#288D4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D4C

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D4C	#FFFFFF	#000000	##000000
##288D4C	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8147

Deuteranopia (green-blind)

#817850

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288d4c;
/* rgb */ color: rgb(40, 141, 76);
/* oklch */ color: oklch(57.0% 0.135 151.1);

Tailwind

colors: {
  custom: {
    50: '#70af7f',
    500: '#288d4c',
    950: '#000000',
  },
}

SCSS

$custom: #288d4c;
$custom-light: #70af7f;
$custom-dark: #000000;

JSON

{
  "hex": "#288d4c",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 76
  },
  "hsl": {
    "h": 141.386,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57018,
    "c": 0.13468,
    "h": 151.1
  },
  "luminance": 0.20023
}

Semantic roles & 50–950 ramp

primary

#288D4C

secondary

#B75A96

accent

#49A9DF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288D4C

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

Preview Lab → · Contrast checker → · Palette generator →