#288C58#288C58

#288C58 is a mid, vivid green. Relative luminance 0.199; OKLCH L 57.0% C 0.122 H 156.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#288C58
RGB	rgb(40, 140, 88)
HSL	hsl(149, 56%, 35%)
HSV	hsv(149, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 37.1%, 45.1%)
CIE-LAB	lab(51.74, -41.04, 19.74)
CIE-LCH	lch(51.74, 45.54, 154.31°)
OKLab	oklab(56.98% -0.1111 0.0495)
OKLCH	oklch(56.98% 0.122 156)
XYZ	xyz(12.0135, 19.9105, 12.4406)
Luminance	0.1991 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C58 #8C285C

analogous

#2A8C28 #288C58 #288C8A

triadic

#288C58 #58288C #8C5828

tetradic

#288C58 #282A8C #8C285C #8C8A28

square

#288C58 #282A8C #8C285C #8C8A28

split-complementary

#288C58 #8A288C #8C282A

monochromatic

#0D2D1C #1A5C3A #288C58 #36BC76 #5ED195

Accessibility & contrast

On white

4.21

#288C58 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#288C58 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C58

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C58	#FFFFFF	#000000	##000000
##288C58	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8155

Deuteranopia (green-blind)

#7F785B

Tritanopia (blue-blind)

#008B7F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c58;
/* rgb */ color: rgb(40, 140, 88);
/* oklch */ color: oklch(57.0% 0.122 156.0);

Tailwind

colors: {
  custom: {
    50: '#70ae87',
    500: '#288c58',
    950: '#000000',
  },
}

SCSS

$custom: #288c58;
$custom-light: #70ae87;
$custom-dark: #000000;

JSON

{
  "hex": "#288c58",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 88
  },
  "hsl": {
    "h": 148.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56983,
    "c": 0.1216,
    "h": 156
  },
  "luminance": 0.19912
}

Semantic roles & 50–950 ramp

primary

#288C58

secondary

#B65A8A

accent

#4997DF

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288C58

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

Preview Lab → · Contrast checker → · Palette generator →