#288A42#288A42

#288A42 is a mid, vivid green. Relative luminance 0.190; OKLCH L 56.0% C 0.140 H 148.4°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#288A42
RGB	rgb(40, 138, 66)
HSL	hsl(136, 55%, 35%)
HSV	hsv(136, 71%, 54%)
CMYK	cmyk(71%, 0%, 52.2%, 45.9%)
CIE-LAB	lab(50.71, -44.28, 30.40)
CIE-LCH	lch(50.71, 53.71, 145.53°)
OKLab	oklab(56.02% -0.1193 0.0735)
OKLCH	oklch(56.02% 0.14 148.4)
XYZ	xyz(10.9461, 19.0202, 8.2476)
Luminance	0.1902 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A42 #8A2870

analogous

#3F8A28 #288A42 #288A73

triadic

#288A42 #42288A #8A4228

tetradic

#288A42 #283F8A #8A2870 #8A7328

square

#288A42 #283F8A #8A2870 #8A7328

split-complementary

#288A42 #73288A #8A283F

monochromatic

#0C2B15 #1A5B2B #288A42 #36B959 #5DD07B

Accessibility & contrast

On white

4.37

#288A42 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#288A42 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A42

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A42	#FFFFFF	#000000	##000000
##288A42	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7E3C

Deuteranopia (green-blind)

#807547

Tritanopia (blue-blind)

#008779

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288a42;
/* rgb */ color: rgb(40, 138, 66);
/* oklch */ color: oklch(56.0% 0.140 148.4);

Tailwind

colors: {
  custom: {
    50: '#70ad78',
    500: '#288a42',
    950: '#000000',
  },
}

SCSS

$custom: #288a42;
$custom-light: #70ad78;
$custom-dark: #000000;

JSON

{
  "hex": "#288a42",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 66
  },
  "hsl": {
    "h": 135.918,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.5602,
    "c": 0.14013,
    "h": 148.4
  },
  "luminance": 0.19021
}

Semantic roles & 50–950 ramp

primary

#288A42

secondary

#B5599D

accent

#49B7DE

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #288A42

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

Preview Lab → · Contrast checker → · Palette generator →