#288B36#288B36

#288B36 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.1% C 0.152 H 145.4°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#288B36
RGB	rgb(40, 139, 54)
HSL	hsl(128, 55%, 35%)
HSV	hsv(128, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 61.2%, 45.5%)
CIE-LAB	lab(50.90, -46.38, 36.68)
CIE-LCH	lch(50.90, 59.14, 141.66°)
OKLab	oklab(56.13% -0.1253 0.0865)
OKLCH	oklch(56.13% 0.152 145.4)
XYZ	xyz(10.7728, 19.1815, 6.6240)
Luminance	0.1918 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B36 #8B287D

analogous

#4B8B28 #288B36 #288B68

triadic

#288B36 #36288B #8B3628

tetradic

#288B36 #284B8B #8B287D #8B6828

square

#288B36 #284B8B #8B287D #8B6828

split-complementary

#288B36 #68288B #8B284B

monochromatic

#0D2C11 #1A5B24 #288B36 #36BB48 #5DD06D

Accessibility & contrast

On white

4.34

#288B36 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#288B36 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B36

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B36	#FFFFFF	#000000	##000000
##288B36	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)

#8D7E2D

Deuteranopia (green-blind)

#82763D

Tritanopia (blue-blind)

#018779

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b36;
/* rgb */ color: rgb(40, 139, 54);
/* oklch */ color: oklch(56.1% 0.152 145.4);

Tailwind

colors: {
  custom: {
    50: '#71ae70',
    500: '#288b36',
    950: '#000000',
  },
}

SCSS

$custom: #288b36;
$custom-light: #71ae70;
$custom-dark: #000000;

JSON

{
  "hex": "#288b36",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 54
  },
  "hsl": {
    "h": 128.485,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56128,
    "c": 0.15224,
    "h": 145.4
  },
  "luminance": 0.19183
}

Semantic roles & 50–950 ramp

primary

#288B36

secondary

#B659A9

accent

#49C9DF

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#091008

muted

#7B7F7B

Preview Lab

Preview with #288B36

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

Preview Lab → · Contrast checker → · Palette generator →