#288B37#288B37

#288B37 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.1% C 0.151 H 145.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#288B37
RGB	rgb(40, 139, 55)
HSL	hsl(129, 55%, 35%)
HSV	hsv(129, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 60.4%, 45.5%)
CIE-LAB	lab(50.91, -46.25, 36.21)
CIE-LCH	lch(50.91, 58.74, 141.94°)
OKLab	oklab(56.14% -0.1249 0.0856)
OKLCH	oklch(56.14% 0.151 145.6)
XYZ	xyz(10.7965, 19.1910, 6.7489)
Luminance	0.1919 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B37 #8B287C

analogous

#4A8B28 #288B37 #288B68

triadic

#288B37 #37288B #8B3728

tetradic

#288B37 #284A8B #8B287C #8B6828

square

#288B37 #284A8B #8B287C #8B6828

split-complementary

#288B37 #68288B #8B284A

monochromatic

#0D2C11 #1A5B24 #288B37 #36BB4A #5DD06E

Accessibility & contrast

On white

4.34

#288B37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#288B37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B37

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B37	#FFFFFF	#000000	##000000
##288B37	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E2E

Deuteranopia (green-blind)

#81763E

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b37;
/* rgb */ color: rgb(40, 139, 55);
/* oklch */ color: oklch(56.1% 0.151 145.6);

Tailwind

colors: {
  custom: {
    50: '#70ae71',
    500: '#288b37',
    950: '#000000',
  },
}

SCSS

$custom: #288b37;
$custom-light: #70ae71;
$custom-dark: #000000;

JSON

{
  "hex": "#288b37",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 55
  },
  "hsl": {
    "h": 129.091,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56141,
    "c": 0.15139,
    "h": 145.6
  },
  "luminance": 0.19192
}

Semantic roles & 50–950 ramp

primary

#288B37

secondary

#B659A8

accent

#49C8DF

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#091008

muted

#7B7F7B

Preview Lab

Preview with #288B37

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

Preview Lab → · Contrast checker → · Palette generator →