#288C4D#288C4D

#288C4D is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.8% C 0.132 H 151.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#288C4D
RGB	rgb(40, 140, 77)
HSL	hsl(142, 56%, 35%)
HSV	hsv(142, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 45%, 45.1%)
CIE-LAB	lab(51.54, -43.18, 25.56)
CIE-LCH	lch(51.54, 50.18, 149.37°)
OKLab	oklab(56.76% -0.1163 0.063)
OKLCH	oklch(56.76% 0.132 151.6)
XYZ	xyz(11.5917, 19.7418, 10.2194)
Luminance	0.1974 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C4D #8C2867

analogous

#358C28 #288C4D #288C7F

triadic

#288C4D #4D288C #8C4D28

tetradic

#288C4D #28358C #8C2867 #8C7F28

square

#288C4D #28358C #8C2867 #8C7F28

split-complementary

#288C4D #7F288C #8C2835

monochromatic

#0D2D19 #1A5C33 #288C4D #36BC67 #5ED188

Accessibility & contrast

On white

4.24

#288C4D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#288C4D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C4D

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C4D	#FFFFFF	#000000	##000000
##288C4D	1.00	4.24	4.95	4.95
#FFFFFF	4.24	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)

#8C8048

Deuteranopia (green-blind)

#807751

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c4d;
/* rgb */ color: rgb(40, 140, 77);
/* oklch */ color: oklch(56.8% 0.132 151.6);

Tailwind

colors: {
  custom: {
    50: '#70ae7f',
    500: '#288c4d',
    950: '#000000',
  },
}

SCSS

$custom: #288c4d;
$custom-light: #70ae7f;
$custom-dark: #000000;

JSON

{
  "hex": "#288c4d",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 77
  },
  "hsl": {
    "h": 142.2,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56762,
    "c": 0.13232,
    "h": 151.6
  },
  "luminance": 0.19743
}

Semantic roles & 50–950 ramp

primary

#288C4D

secondary

#B65A94

accent

#49A7DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288C4D

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

Preview Lab → · Contrast checker → · Palette generator →