#288F5A#288F5A

#288F5A is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.8% C 0.124 H 156.1°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#288F5A
RGB	rgb(40, 143, 90)
HSL	hsl(149, 56%, 36%)
HSV	hsv(149, 72%, 56%)
CMYK	cmyk(72%, 0%, 37.1%, 43.9%)
CIE-LAB	lab(52.77, -41.85, 20.00)
CIE-LCH	lch(52.77, 46.39, 154.46°)
OKLab	oklab(57.84% -0.1132 0.0502)
OKLCH	oklch(57.84% 0.124 156.1)
XYZ	xyz(12.5418, 20.8328, 13.0310)
Luminance	0.2083 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F5A #8F285D

analogous

#2A8F28 #288F5A #288F8D

triadic

#288F5A #5A288F #8F5A28

tetradic

#288F5A #282A8F #8F285D #8F8D28

square

#288F5A #282A8F #8F285D #8F8D28

split-complementary

#288F5A #8D288F #8F282A

monochromatic

#0D2F1E #1B5F3C #288F5A #35BF78 #5FD297

Accessibility & contrast

On white

4.06

#288F5A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#288F5A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F5A

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F5A	#FFFFFF	#000000	##000000
##288F5A	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8357

Deuteranopia (green-blind)

#817A5D

Tritanopia (blue-blind)

#008E81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288f5a;
/* rgb */ color: rgb(40, 143, 90);
/* oklch */ color: oklch(57.8% 0.124 156.1);

Tailwind

colors: {
  custom: {
    50: '#70b189',
    500: '#288f5a',
    950: '#000000',
  },
}

SCSS

$custom: #288f5a;
$custom-light: #70b189;
$custom-dark: #000000;

JSON

{
  "hex": "#288f5a",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 90
  },
  "hsl": {
    "h": 149.126,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57843,
    "c": 0.12387,
    "h": 156.1
  },
  "luminance": 0.20834
}

Semantic roles & 50–950 ramp

primary

#288F5A

secondary

#B85B8B

accent

#4896E0

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#09110B

muted

#7B807C

Preview Lab

Preview with #288F5A

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

Preview Lab → · Contrast checker → · Palette generator →