#288D21#288D21

#288D21 is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.5% C 0.170 H 142.2°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#288D21
RGB	rgb(40, 141, 33)
HSL	hsl(116, 62%, 34%)
HSV	hsv(116, 77%, 55%)
CMYK	cmyk(71.6%, 0%, 76.6%, 44.7%)
CIE-LAB	lab(51.39, -49.26, 46.23)
CIE-LCH	lch(51.39, 67.55, 136.81°)
OKLab	oklab(56.48% -0.1341 0.1042)
OKLCH	oklch(56.48% 0.17 142.2)
XYZ	xyz(10.6739, 19.6095, 4.6610)
Luminance	0.1961 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D21 #86218D

analogous

#5E8D21 #288D21 #218D50

triadic

#288D21 #21288D #8D2128

tetradic

#288D21 #215E8D #86218D #8D5021

square

#288D21 #215E8D #86218D #8D5021

split-complementary

#288D21 #50218D #8D215E

monochromatic

#0C2A0A #1A5B15 #288D21 #36BF2D #5BD652

Accessibility & contrast

On white

4.27

#288D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#288D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D21

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D21	#FFFFFF	#000000	##000000
##288D21	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F0A

Deuteranopia (green-blind)

#85772D

Tritanopia (blue-blind)

#0B8978

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288d21;
/* rgb */ color: rgb(40, 141, 33);
/* oklch */ color: oklch(56.5% 0.170 142.2);

Tailwind

colors: {
  custom: {
    50: '#72af64',
    500: '#288d21',
    950: '#000000',
  },
}

SCSS

$custom: #288d21;
$custom-light: #72af64;
$custom-dark: #000000;

JSON

{
  "hex": "#288d21",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 33
  },
  "hsl": {
    "h": 116.111,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.56479,
    "c": 0.1698,
    "h": 142.2
  },
  "luminance": 0.19611
}

Semantic roles & 50–950 ramp

primary

#288D21

secondary

#B350BA

accent

#43E5DB

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #288D21

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

Preview Lab → · Contrast checker → · Palette generator →