#288B42#288B42

#288B42 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.141 H 148.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#288B42
RGB	rgb(40, 139, 66)
HSL	hsl(136, 55%, 35%)
HSV	hsv(136, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 52.5%, 45.5%)
CIE-LAB	lab(51.05, -44.67, 30.81)
CIE-LCH	lch(51.05, 54.26, 145.40°)
OKLab	oklab(56.3% -0.1203 0.0745)
OKLCH	oklch(56.3% 0.142 148.2)
XYZ	xyz(11.0902, 19.3085, 8.2956)
Luminance	0.1931 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B42 #8B2871

analogous

#3F8B28 #288B42 #288B74

triadic

#288B42 #42288B #8B4228

tetradic

#288B42 #283F8B #8B2871 #8B7428

square

#288B42 #283F8B #8B2871 #8B7428

split-complementary

#288B42 #74288B #8B283F

monochromatic

#0D2C15 #1A5B2B #288B42 #36BB59 #5DD07B

Accessibility & contrast

On white

4.32

#288B42 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#288B42 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B42

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B42	#FFFFFF	#000000	##000000
##288B42	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F3C

Deuteranopia (green-blind)

#807647

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b42;
/* rgb */ color: rgb(40, 139, 66);
/* oklch */ color: oklch(56.3% 0.141 148.2);

Tailwind

colors: {
  custom: {
    50: '#70ae78',
    500: '#288b42',
    950: '#000000',
  },
}

SCSS

$custom: #288b42;
$custom-light: #70ae78;
$custom-dark: #000000;

JSON

{
  "hex": "#288b42",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 66
  },
  "hsl": {
    "h": 135.758,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56297,
    "c": 0.1415,
    "h": 148.2
  },
  "luminance": 0.1931
}

Semantic roles & 50–950 ramp

primary

#288B42

secondary

#B6599D

accent

#49B7DF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #288B42

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

Preview Lab → · Contrast checker → · Palette generator →