#288E55#288E55

#288E55 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.5% C 0.127 H 154.2°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#288E55
RGB	rgb(40, 142, 85)
HSL	hsl(146, 56%, 36%)
HSV	hsv(146, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 40.1%, 44.3%)
CIE-LAB	lab(52.34, -42.46, 22.22)
CIE-LCH	lch(52.34, 47.92, 152.38°)
OKLab	oklab(57.47% -0.1146 0.0554)
OKLCH	oklch(57.47% 0.127 154.2)
XYZ	xyz(12.1867, 20.4516, 11.8979)
Luminance	0.2045 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E55 #8E2861

analogous

#2E8E28 #288E55 #288E88

triadic

#288E55 #55288E #8E5528

tetradic

#288E55 #282E8E #8E2861 #8E8828

square

#288E55 #282E8E #8E2861 #8E8828

split-complementary

#288E55 #88288E #8E282E

monochromatic

#0D2F1C #1B5E38 #288E55 #35BE72 #5FD291

Accessibility & contrast

On white

4.13

#288E55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#288E55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E55

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E55	#FFFFFF	#000000	##000000
##288E55	1.00	4.13	5.09	5.09
#FFFFFF	4.13	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)

#8E8251

Deuteranopia (green-blind)

#817959

Tritanopia (blue-blind)

#008C80

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288e55;
/* rgb */ color: rgb(40, 142, 85);
/* oklch */ color: oklch(57.5% 0.127 154.2);

Tailwind

colors: {
  custom: {
    50: '#70b085',
    500: '#288e55',
    950: '#000000',
  },
}

SCSS

$custom: #288e55;
$custom-light: #70b085;
$custom-dark: #000000;

JSON

{
  "hex": "#288e55",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 85
  },
  "hsl": {
    "h": 146.471,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57466,
    "c": 0.12731,
    "h": 154.2
  },
  "luminance": 0.20453
}

Semantic roles & 50–950 ramp

primary

#288E55

secondary

#B75B8E

accent

#489DDF

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288E55

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

Preview Lab → · Contrast checker → · Palette generator →