#288D4E#288D4E

#288D4E is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.1% C 0.133 H 151.7°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#288D4E
RGB	rgb(40, 141, 78)
HSL	hsl(143, 56%, 35%)
HSV	hsv(143, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 44.7%, 44.7%)
CIE-LAB	lab(51.89, -43.39, 25.47)
CIE-LCH	lch(51.89, 50.32, 149.59°)
OKLab	oklab(57.06% -0.1169 0.0628)
OKLCH	oklch(57.06% 0.133 151.7)
XYZ	xyz(11.7741, 20.0496, 10.4557)
Luminance	0.2005 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D4E #8D2867

analogous

#358D28 #288D4E #288D80

triadic

#288D4E #4E288D #8D4E28

tetradic

#288D4E #28358D #8D2867 #8D8028

square

#288D4E #28358D #8D2867 #8D8028

split-complementary

#288D4E #80288D #8D2835

monochromatic

#0D2E19 #1A5D34 #288D4E #36BD68 #5ED189

Accessibility & contrast

On white

4.19

#288D4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#288D4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D4E

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D4E	#FFFFFF	#000000	##000000
##288D4E	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8149

Deuteranopia (green-blind)

#817852

Tritanopia (blue-blind)

#008B7E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288d4e;
/* rgb */ color: rgb(40, 141, 78);
/* oklch */ color: oklch(57.1% 0.133 151.7);

Tailwind

colors: {
  custom: {
    50: '#70af80',
    500: '#288d4e',
    950: '#000000',
  },
}

SCSS

$custom: #288d4e;
$custom-light: #70af80;
$custom-dark: #000000;

JSON

{
  "hex": "#288d4e",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 78
  },
  "hsl": {
    "h": 142.574,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57055,
    "c": 0.13273,
    "h": 151.7
  },
  "luminance": 0.20051
}

Semantic roles & 50–950 ramp

primary

#288D4E

secondary

#B75A94

accent

#49A7DF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288D4E

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

Preview Lab → · Contrast checker → · Palette generator →