#288C54#288C54

#288C54 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.9% C 0.125 H 154.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#288C54
RGB	rgb(40, 140, 84)
HSL	hsl(146, 56%, 35%)
HSV	hsv(146, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 40%, 45.1%)
CIE-LAB	lab(51.66, -41.85, 21.87)
CIE-LCH	lch(51.66, 47.22, 152.41°)
OKLab	oklab(56.9% -0.113 0.0545)
OKLCH	oklch(56.9% 0.125 154.2)
XYZ	xyz(11.8523, 19.8461, 11.5918)
Luminance	0.1985 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C54 #8C2860

analogous

#2E8C28 #288C54 #288C86

triadic

#288C54 #54288C #8C5428

tetradic

#288C54 #282E8C #8C2860 #8C8628

square

#288C54 #282E8C #8C2860 #8C8628

split-complementary

#288C54 #86288C #8C282E

monochromatic

#0D2D1B #1A5C37 #288C54 #36BC71 #5ED190

Accessibility & contrast

On white

4.23

#288C54 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#288C54 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C54

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C54	#FFFFFF	#000000	##000000
##288C54	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8050

Deuteranopia (green-blind)

#7F7858

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c54;
/* rgb */ color: rgb(40, 140, 84);
/* oklch */ color: oklch(56.9% 0.125 154.2);

Tailwind

colors: {
  custom: {
    50: '#70ae84',
    500: '#288c54',
    950: '#000000',
  },
}

SCSS

$custom: #288c54;
$custom-light: #70ae84;
$custom-dark: #000000;

JSON

{
  "hex": "#288c54",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 84
  },
  "hsl": {
    "h": 146.4,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56899,
    "c": 0.12548,
    "h": 154.2
  },
  "luminance": 0.19847
}

Semantic roles & 50–950 ramp

primary

#288C54

secondary

#B65A8D

accent

#499DDF

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288C54

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

Preview Lab → · Contrast checker → · Palette generator →