#288A39#288A39

#288A39 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.9% C 0.148 H 146.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#288A39
RGB	rgb(40, 138, 57)
HSL	hsl(130, 55%, 35%)
HSV	hsv(130, 71%, 54%)
CMYK	cmyk(71%, 0%, 58.7%, 45.9%)
CIE-LAB	lab(50.60, -45.62, 34.86)
CIE-LCH	lch(50.60, 57.41, 142.61°)
OKLab	oklab(55.89% -0.1231 0.0828)
OKLCH	oklch(55.89% 0.148 146.1)
XYZ	xyz(10.7013, 18.9223, 6.9585)
Luminance	0.1892 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A39 #8A2879

analogous

#488A28 #288A39 #288A6A

triadic

#288A39 #39288A #8A3928

tetradic

#288A39 #28488A #8A2879 #8A6A28

square

#288A39 #28488A #8A2879 #8A6A28

split-complementary

#288A39 #6A288A #8A2848

monochromatic

#0C2B12 #1A5B25 #288A39 #36B94D #5DD071

Accessibility & contrast

On white

4.39

#288A39 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#288A39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A39

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A39	#FFFFFF	#000000	##000000
##288A39	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7D31

Deuteranopia (green-blind)

#80753F

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #288a39;
/* rgb */ color: rgb(40, 138, 57);
/* oklch */ color: oklch(55.9% 0.148 146.1);

Tailwind

colors: {
  custom: {
    50: '#70ad72',
    500: '#288a39',
    950: '#000000',
  },
}

SCSS

$custom: #288a39;
$custom-light: #70ad72;
$custom-dark: #000000;

JSON

{
  "hex": "#288a39",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 57
  },
  "hsl": {
    "h": 130.408,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55888,
    "c": 0.14834,
    "h": 146.1
  },
  "luminance": 0.18923
}

Semantic roles & 50–950 ramp

primary

#288A39

secondary

#B559A5

accent

#49C5DE

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #288A39

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

Preview Lab → · Contrast checker → · Palette generator →