#288B4A#288B4A

#288B4A is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.134 H 150.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#288B4A
RGB	rgb(40, 139, 74)
HSL	hsl(141, 55%, 35%)
HSV	hsv(141, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 46.8%, 45.5%)
CIE-LAB	lab(51.16, -43.33, 26.70)
CIE-LCH	lch(51.16, 50.90, 148.36°)
OKLab	oklab(56.43% -0.1167 0.0655)
OKLCH	oklch(56.43% 0.134 150.7)
XYZ	xyz(11.3428, 19.4095, 9.6259)
Luminance	0.1941 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B4A #8B2869

analogous

#388B28 #288B4A #288B7B

triadic

#288B4A #4A288B #8B4A28

tetradic

#288B4A #28388B #8B2869 #8B7B28

square

#288B4A #28388B #8B2869 #8B7B28

split-complementary

#288B4A #7B288B #8B2838

monochromatic

#0D2C17 #1A5B31 #288B4A #36BB63 #5DD085

Accessibility & contrast

On white

4.30

#288B4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#288B4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B4A

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B4A	#FFFFFF	#000000	##000000
##288B4A	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F45

Deuteranopia (green-blind)

#80774F

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b4a;
/* rgb */ color: rgb(40, 139, 74);
/* oklch */ color: oklch(56.4% 0.134 150.7);

Tailwind

colors: {
  custom: {
    50: '#70ae7d',
    500: '#288b4a',
    950: '#000000',
  },
}

SCSS

$custom: #288b4a;
$custom-light: #70ae7d;
$custom-dark: #000000;

JSON

{
  "hex": "#288b4a",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 74
  },
  "hsl": {
    "h": 140.606,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56432,
    "c": 0.13384,
    "h": 150.7
  },
  "luminance": 0.19411
}

Semantic roles & 50–950 ramp

primary

#288B4A

secondary

#B65996

accent

#49ABDF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288B4A

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

Preview Lab → · Contrast checker → · Palette generator →