#288C59#288C59

#288C59 is a mid, vivid green. Relative luminance 0.199; OKLCH L 57.0% C 0.121 H 156.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#288C59
RGB	rgb(40, 140, 89)
HSL	hsl(149, 56%, 35%)
HSV	hsv(149, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 36.4%, 45.1%)
CIE-LAB	lab(51.75, -40.83, 19.20)
CIE-LCH	lch(51.75, 45.12, 154.81°)
OKLab	oklab(57.01% -0.1106 0.0483)
OKLCH	oklch(57.01% 0.121 156.4)
XYZ	xyz(12.0552, 19.9272, 12.6603)
Luminance	0.1993 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C59 #8C285B

analogous

#298C28 #288C59 #288C8B

triadic

#288C59 #59288C #8C5928

tetradic

#288C59 #28298C #8C285B #8C8B28

square

#288C59 #28298C #8C285B #8C8B28

split-complementary

#288C59 #8B288C #8C2829

monochromatic

#0D2D1C #1A5C3B #288C59 #36BC77 #5ED196

Accessibility & contrast

On white

4.21

#288C59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#288C59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C59

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C59	#FFFFFF	#000000	##000000
##288C59	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8156

Deuteranopia (green-blind)

#7F785C

Tritanopia (blue-blind)

#008B7F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c59;
/* rgb */ color: rgb(40, 140, 89);
/* oklch */ color: oklch(57.0% 0.121 156.4);

Tailwind

colors: {
  custom: {
    50: '#70ae88',
    500: '#288c59',
    950: '#000000',
  },
}

SCSS

$custom: #288c59;
$custom-light: #70ae88;
$custom-dark: #000000;

JSON

{
  "hex": "#288c59",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 89
  },
  "hsl": {
    "h": 149.4,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.57005,
    "c": 0.12064,
    "h": 156.4
  },
  "luminance": 0.19929
}

Semantic roles & 50–950 ramp

primary

#288C59

secondary

#B65A89

accent

#4995DF

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288C59

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

Preview Lab → · Contrast checker → · Palette generator →