#288F59#288F59

#288F59 is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.8% C 0.125 H 155.7°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#288F59
RGB	rgb(40, 143, 89)
HSL	hsl(149, 56%, 36%)
HSV	hsv(149, 72%, 56%)
CMYK	cmyk(72%, 0%, 37.8%, 43.9%)
CIE-LAB	lab(52.75, -42.06, 20.53)
CIE-LCH	lch(52.75, 46.80, 153.98°)
OKLab	oklab(57.82% -0.1137 0.0515)
OKLCH	oklch(57.82% 0.125 155.7)
XYZ	xyz(12.4995, 20.8159, 12.8084)
Luminance	0.2082 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F59 #8F285E

analogous

#2A8F28 #288F59 #288F8C

triadic

#288F59 #59288F #8F5928

tetradic

#288F59 #282A8F #8F285E #8F8C28

square

#288F59 #282A8F #8F285E #8F8C28

split-complementary

#288F59 #8C288F #8F282A

monochromatic

#0D2F1D #1B5F3B #288F59 #35BF77 #5FD296

Accessibility & contrast

On white

4.07

#288F59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#288F59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F59

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F59	#FFFFFF	#000000	##000000
##288F59	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8355

Deuteranopia (green-blind)

#827A5D

Tritanopia (blue-blind)

#008E81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288f59;
/* rgb */ color: rgb(40, 143, 89);
/* oklch */ color: oklch(57.8% 0.125 155.7);

Tailwind

colors: {
  custom: {
    50: '#70b188',
    500: '#288f59',
    950: '#000000',
  },
}

SCSS

$custom: #288f59;
$custom-light: #70b188;
$custom-dark: #000000;

JSON

{
  "hex": "#288f59",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 89
  },
  "hsl": {
    "h": 148.544,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57822,
    "c": 0.12484,
    "h": 155.7
  },
  "luminance": 0.20817
}

Semantic roles & 50–950 ramp

primary

#288F59

secondary

#B85B8C

accent

#4898E0

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#09110B

muted

#7B807C

Preview Lab

Preview with #288F59

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

Preview Lab → · Contrast checker → · Palette generator →