#288C4B#288C4B

#288C4B is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.7% C 0.134 H 150.9°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#288C4B
RGB	rgb(40, 140, 75)
HSL	hsl(141, 56%, 35%)
HSV	hsv(141, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 46.4%, 45.1%)
CIE-LAB	lab(51.51, -43.54, 26.61)
CIE-LCH	lch(51.51, 51.03, 148.57°)
OKLab	oklab(56.73% -0.1173 0.0654)
OKLCH	oklch(56.73% 0.134 150.9)
XYZ	xyz(11.5222, 19.7140, 9.8532)
Luminance	0.1971 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C4B #8C2869

analogous

#378C28 #288C4B #288C7D

triadic

#288C4B #4B288C #8C4B28

tetradic

#288C4B #28378C #8C2869 #8C7D28

square

#288C4B #28378C #8C2869 #8C7D28

split-complementary

#288C4B #7D288C #8C2837

monochromatic

#0D2D18 #1A5C31 #288C4B #36BC64 #5ED186

Accessibility & contrast

On white

4.25

#288C4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#288C4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C4B

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C4B	#FFFFFF	#000000	##000000
##288C4B	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8046

Deuteranopia (green-blind)

#80774F

Tritanopia (blue-blind)

#008A7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c4b;
/* rgb */ color: rgb(40, 140, 75);
/* oklch */ color: oklch(56.7% 0.134 150.9);

Tailwind

colors: {
  custom: {
    50: '#70ae7e',
    500: '#288c4b',
    950: '#000000',
  },
}

SCSS

$custom: #288c4b;
$custom-light: #70ae7e;
$custom-dark: #000000;

JSON

{
  "hex": "#288c4b",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 75
  },
  "hsl": {
    "h": 141,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56725,
    "c": 0.13426,
    "h": 150.9
  },
  "luminance": 0.19715
}

Semantic roles & 50–950 ramp

primary

#288C4B

secondary

#B65A96

accent

#49AADF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288C4B

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

Preview Lab → · Contrast checker → · Palette generator →