#288E56#288E56

#288E56 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.5% C 0.126 H 154.6°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#288E56
RGB	rgb(40, 142, 86)
HSL	hsl(147, 56%, 36%)
HSV	hsv(147, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 39.4%, 44.3%)
CIE-LAB	lab(52.36, -42.26, 21.69)
CIE-LCH	lch(52.36, 47.50, 152.83°)
OKLab	oklab(57.49% -0.1141 0.0542)
OKLCH	oklch(57.49% 0.126 154.6)
XYZ	xyz(12.2267, 20.4676, 12.1086)
Luminance	0.2047 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E56 #8E2860

analogous

#2D8E28 #288E56 #288E89

triadic

#288E56 #56288E #8E5628

tetradic

#288E56 #282D8E #8E2860 #8E8928

square

#288E56 #282D8E #8E2860 #8E8928

split-complementary

#288E56 #89288E #8E282D

monochromatic

#0D2F1C #1B5E39 #288E56 #35BE73 #5FD293

Accessibility & contrast

On white

4.12

#288E56 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#288E56 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E56

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E56	#FFFFFF	#000000	##000000
##288E56	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8252

Deuteranopia (green-blind)

#81795A

Tritanopia (blue-blind)

#008C80

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288e56;
/* rgb */ color: rgb(40, 142, 86);
/* oklch */ color: oklch(57.5% 0.126 154.6);

Tailwind

colors: {
  custom: {
    50: '#70b086',
    500: '#288e56',
    950: '#000000',
  },
}

SCSS

$custom: #288e56;
$custom-light: #70b086;
$custom-dark: #000000;

JSON

{
  "hex": "#288e56",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 86
  },
  "hsl": {
    "h": 147.059,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57486,
    "c": 0.12634,
    "h": 154.6
  },
  "luminance": 0.20469
}

Semantic roles & 50–950 ramp

primary

#288E56

secondary

#B75B8D

accent

#489BDF

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288E56

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

Preview Lab → · Contrast checker → · Palette generator →