#288B31#288B31

#288B31 is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.1% C 0.156 H 144.4°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#288B31
RGB	rgb(40, 139, 49)
HSL	hsl(125, 55%, 35%)
HSV	hsv(125, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 64.7%, 45.5%)
CIE-LAB	lab(50.85, -47.00, 38.99)
CIE-LCH	lch(50.85, 61.07, 140.32°)
OKLab	oklab(56.07% -0.1272 0.0909)
OKLCH	oklch(56.07% 0.156 144.4)
XYZ	xyz(10.6614, 19.1369, 6.0371)
Luminance	0.1914 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B31 #8B2882

analogous

#508B28 #288B31 #288B63

triadic

#288B31 #31288B #8B3128

tetradic

#288B31 #28508B #8B2882 #8B6328

square

#288B31 #28508B #8B2882 #8B6328

split-complementary

#288B31 #63288B #8B2850

monochromatic

#0D2C0F #1A5B20 #288B31 #36BB42 #5DD068

Accessibility & contrast

On white

4.35

#288B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#288B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B31

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B31	#FFFFFF	#000000	##000000
##288B31	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E26

Deuteranopia (green-blind)

#827639

Tritanopia (blue-blind)

#048778

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b31;
/* rgb */ color: rgb(40, 139, 49);
/* oklch */ color: oklch(56.1% 0.156 144.4);

Tailwind

colors: {
  custom: {
    50: '#71ae6d',
    500: '#288b31',
    950: '#000000',
  },
}

SCSS

$custom: #288b31;
$custom-light: #71ae6d;
$custom-dark: #000000;

JSON

{
  "hex": "#288b31",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 49
  },
  "hsl": {
    "h": 125.455,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56068,
    "c": 0.15633,
    "h": 144.4
  },
  "luminance": 0.19138
}

Semantic roles & 50–950 ramp

primary

#288B31

secondary

#B659AD

accent

#49D1DF

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #288B31

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

Preview Lab → · Contrast checker → · Palette generator →