#288C21#288C21

#288C21 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.2% C 0.169 H 142.1°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#288C21
RGB	rgb(40, 140, 33)
HSL	hsl(116, 62%, 34%)
HSV	hsv(116, 76%, 55%)
CMYK	cmyk(71.4%, 0%, 76.4%, 45.1%)
CIE-LAB	lab(51.05, -48.91, 45.89)
CIE-LCH	lch(51.05, 67.07, 136.82°)
OKLab	oklab(56.2% -0.1331 0.1035)
OKLCH	oklch(56.2% 0.169 142.1)
XYZ	xyz(10.5271, 19.3160, 4.6121)
Luminance	0.1932 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C21 #85218C

analogous

#5E8C21 #288C21 #218C50

triadic

#288C21 #21288C #8C2128

tetradic

#288C21 #215E8C #85218C #8C5021

square

#288C21 #215E8C #85218C #8C5021

split-complementary

#288C21 #50218C #8C215E

monochromatic

#0C290A #1A5A15 #288C21 #36BE2D #5AD651

Accessibility & contrast

On white

4.32

#288C21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#288C21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C21

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C21	#FFFFFF	#000000	##000000
##288C21	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E0B

Deuteranopia (green-blind)

#84772D

Tritanopia (blue-blind)

#0C8877

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288c21;
/* rgb */ color: rgb(40, 140, 33);
/* oklch */ color: oklch(56.2% 0.169 142.1);

Tailwind

colors: {
  custom: {
    50: '#72af64',
    500: '#288c21',
    950: '#000000',
  },
}

SCSS

$custom: #288c21;
$custom-light: #72af64;
$custom-dark: #000000;

JSON

{
  "hex": "#288c21",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 33
  },
  "hsl": {
    "h": 116.075,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56199,
    "c": 0.16863,
    "h": 142.1
  },
  "luminance": 0.19317
}

Semantic roles & 50–950 ramp

primary

#288C21

secondary

#B34FB9

accent

#43E5DA

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #288C21

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

Preview Lab → · Contrast checker → · Palette generator →