#288B39#288B39

#288B39 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.150 H 146.0°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#288B39
RGB	rgb(40, 139, 57)
HSL	hsl(130, 55%, 35%)
HSV	hsv(130, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 59%, 45.5%)
CIE-LAB	lab(50.93, -45.99, 35.26)
CIE-LCH	lch(50.93, 57.95, 142.52°)
OKLab	oklab(56.17% -0.1241 0.0836)
OKLCH	oklch(56.17% 0.15 146)
XYZ	xyz(10.8455, 19.2106, 7.0065)
Luminance	0.1921 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B39 #8B287A

analogous

#498B28 #288B39 #288B6A

triadic

#288B39 #39288B #8B3928

tetradic

#288B39 #28498B #8B287A #8B6A28

square

#288B39 #28498B #8B287A #8B6A28

split-complementary

#288B39 #6A288B #8B2849

monochromatic

#0D2C12 #1A5B26 #288B39 #36BB4C #5DD071

Accessibility & contrast

On white

4.34

#288B39 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#288B39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B39

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B39	#FFFFFF	#000000	##000000
##288B39	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E31

Deuteranopia (green-blind)

#81763F

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b39;
/* rgb */ color: rgb(40, 139, 57);
/* oklch */ color: oklch(56.2% 0.150 146.0);

Tailwind

colors: {
  custom: {
    50: '#70ae72',
    500: '#288b39',
    950: '#000000',
  },
}

SCSS

$custom: #288b39;
$custom-light: #70ae72;
$custom-dark: #000000;

JSON

{
  "hex": "#288b39",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 57
  },
  "hsl": {
    "h": 130.303,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56167,
    "c": 0.14966,
    "h": 146
  },
  "luminance": 0.19212
}

Semantic roles & 50–950 ramp

primary

#288B39

secondary

#B659A6

accent

#49C5DF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#091008

muted

#7B7F7B

Preview Lab

Preview with #288B39

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

Preview Lab → · Contrast checker → · Palette generator →