#288C4C#288C4C

#288C4C is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.7% C 0.133 H 151.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#288C4C
RGB	rgb(40, 140, 76)
HSL	hsl(142, 56%, 35%)
HSV	hsv(142, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 45.7%, 45.1%)
CIE-LAB	lab(51.53, -43.36, 26.09)
CIE-LCH	lch(51.53, 50.61, 148.97°)
OKLab	oklab(56.74% -0.1168 0.0642)
OKLCH	oklch(56.74% 0.133 151.2)
XYZ	xyz(11.5567, 19.7278, 10.0349)
Luminance	0.1973 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C4C #8C2868

analogous

#368C28 #288C4C #288C7E

triadic

#288C4C #4C288C #8C4C28

tetradic

#288C4C #28368C #8C2868 #8C7E28

square

#288C4C #28368C #8C2868 #8C7E28

split-complementary

#288C4C #7E288C #8C2836

monochromatic

#0D2D18 #1A5C32 #288C4C #36BC66 #5ED187

Accessibility & contrast

On white

4.25

#288C4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#288C4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C4C

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C4C	#FFFFFF	#000000	##000000
##288C4C	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8047

Deuteranopia (green-blind)

#807750

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c4c;
/* rgb */ color: rgb(40, 140, 76);
/* oklch */ color: oklch(56.7% 0.133 151.2);

Tailwind

colors: {
  custom: {
    50: '#70ae7f',
    500: '#288c4c',
    950: '#000000',
  },
}

SCSS

$custom: #288c4c;
$custom-light: #70ae7f;
$custom-dark: #000000;

JSON

{
  "hex": "#288c4c",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 76
  },
  "hsl": {
    "h": 141.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56743,
    "c": 0.13329,
    "h": 151.2
  },
  "luminance": 0.19729
}

Semantic roles & 50–950 ramp

primary

#288C4C

secondary

#B65A95

accent

#49A9DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288C4C

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

Preview Lab → · Contrast checker → · Palette generator →