#288A52#288A52

#288A52 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.3% C 0.125 H 153.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#288A52
RGB	rgb(40, 138, 82)
HSL	hsl(146, 55%, 35%)
HSV	hsv(146, 71%, 54%)
CMYK	cmyk(71%, 0%, 40.6%, 45.9%)
CIE-LAB	lab(50.96, -41.43, 22.05)
CIE-LCH	lch(50.96, 46.94, 151.97°)
OKLab	oklab(56.31% -0.1119 0.0549)
OKLCH	oklch(56.31% 0.125 153.8)
XYZ	xyz(11.4855, 19.2360, 11.0886)
Luminance	0.1924 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A52 #8A2860

analogous

#2F8A28 #288A52 #288A83

triadic

#288A52 #52288A #8A5228

tetradic

#288A52 #282F8A #8A2860 #8A8328

square

#288A52 #282F8A #8A2860 #8A8328

split-complementary

#288A52 #83288A #8A282F

monochromatic

#0C2B1A #1A5B36 #288A52 #36B96E #5DD08E

Accessibility & contrast

On white

4.33

#288A52 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#288A52 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A52

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A52	#FFFFFF	#000000	##000000
##288A52	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7F4E

Deuteranopia (green-blind)

#7E7656

Tritanopia (blue-blind)

#00887C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288a52;
/* rgb */ color: rgb(40, 138, 82);
/* oklch */ color: oklch(56.3% 0.125 153.8);

Tailwind

colors: {
  custom: {
    50: '#6fad83',
    500: '#288a52',
    950: '#000000',
  },
}

SCSS

$custom: #288a52;
$custom-light: #6fad83;
$custom-dark: #000000;

JSON

{
  "hex": "#288a52",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 82
  },
  "hsl": {
    "h": 145.714,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.5631,
    "c": 0.12462,
    "h": 153.8
  },
  "luminance": 0.19237
}

Semantic roles & 50–950 ramp

primary

#288A52

secondary

#B5598E

accent

#499FDE

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288A52

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

Preview Lab → · Contrast checker → · Palette generator →