#288B3A#288B3A

#288B3A is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.149 H 146.2°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#288B3A
RGB	rgb(40, 139, 58)
HSL	hsl(131, 55%, 35%)
HSV	hsv(131, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 58.3%, 45.5%)
CIE-LAB	lab(50.94, -45.85, 34.77)
CIE-LCH	lch(50.94, 57.55, 142.82°)
OKLab	oklab(56.18% -0.1237 0.0827)
OKLCH	oklch(56.18% 0.149 146.2)
XYZ	xyz(10.8706, 19.2207, 7.1392)
Luminance	0.1922 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B3A #8B2879

analogous

#488B28 #288B3A #288B6B

triadic

#288B3A #3A288B #8B3A28

tetradic

#288B3A #28488B #8B2879 #8B6B28

square

#288B3A #28488B #8B2879 #8B6B28

split-complementary

#288B3A #6B288B #8B2848

monochromatic

#0D2C12 #1A5B26 #288B3A #36BB4E #5DD072

Accessibility & contrast

On white

4.33

#288B3A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#288B3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B3A

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B3A	#FFFFFF	#000000	##000000
##288B3A	1.00	4.33	4.84	4.84
#FFFFFF	4.33	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)

#8D7E32

Deuteranopia (green-blind)

#817640

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b3a;
/* rgb */ color: rgb(40, 139, 58);
/* oklch */ color: oklch(56.2% 0.149 146.2);

Tailwind

colors: {
  custom: {
    50: '#70ae73',
    500: '#288b3a',
    950: '#000000',
  },
}

SCSS

$custom: #288b3a;
$custom-light: #70ae73;
$custom-dark: #000000;

JSON

{
  "hex": "#288b3a",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 58
  },
  "hsl": {
    "h": 130.909,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.5618,
    "c": 0.14878,
    "h": 146.2
  },
  "luminance": 0.19222
}

Semantic roles & 50–950 ramp

primary

#288B3A

secondary

#B659A5

accent

#49C3DF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #288B3A

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

Preview Lab → · Contrast checker → · Palette generator →