#288739#288739

#288739 is a mid, vivid green. Relative luminance 0.181; OKLCH L 55.1% C 0.144 H 146.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#288739
RGB	rgb(40, 135, 57)
HSL	hsl(131, 54%, 34%)
HSV	hsv(131, 70%, 53%)
CMYK	cmyk(70.4%, 0%, 57.8%, 47.1%)
CIE-LAB	lab(49.59, -44.49, 33.66)
CIE-LCH	lch(49.59, 55.79, 142.89°)
OKLab	oklab(55.05% -0.1201 0.0802)
OKLCH	oklch(55.05% 0.144 146.3)
XYZ	xyz(10.2768, 18.0734, 6.8170)
Luminance	0.1807 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288739 #872876

analogous

#478728 #288739 #288769

triadic

#288739 #392887 #873928

tetradic

#288739 #284787 #872876 #876928

square

#288739 #284787 #872876 #876928

split-complementary

#288739 #692887 #872847

monochromatic

#0C2911 #1A5825 #288739 #36B64D #5BCE70

Accessibility & contrast

On white

4.55

#288739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#288739 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288739

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288739	#FFFFFF	#000000	##000000
##288739	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897B32

Deuteranopia (green-blind)

#7E733F

Tritanopia (blue-blind)

#028476

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #288739;
/* rgb */ color: rgb(40, 135, 57);
/* oklch */ color: oklch(55.1% 0.144 146.3);

Tailwind

colors: {
  custom: {
    50: '#6fab72',
    500: '#288739',
    950: '#000000',
  },
}

SCSS

$custom: #288739;
$custom-light: #6fab72;
$custom-dark: #000000;

JSON

{
  "hex": "#288739",
  "rgb": {
    "r": 40,
    "g": 135,
    "b": 57
  },
  "hsl": {
    "h": 130.737,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.55052,
    "c": 0.14437,
    "h": 146.3
  },
  "luminance": 0.18074
}

Semantic roles & 50–950 ramp

primary

#288739

secondary

#B457A3

accent

#4AC3DE

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #288739

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

Preview Lab → · Contrast checker → · Palette generator →