#288E21#288E21

#288E21 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.8% C 0.171 H 142.2°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#288E21
RGB	rgb(40, 142, 33)
HSL	hsl(116, 62%, 34%)
HSV	hsv(116, 77%, 56%)
CMYK	cmyk(71.8%, 0%, 76.8%, 44.3%)
CIE-LAB	lab(51.73, -49.60, 46.57)
CIE-LCH	lch(51.73, 68.03, 136.81°)
OKLab	oklab(56.76% -0.135 0.1049)
OKLCH	oklch(56.76% 0.171 142.2)
XYZ	xyz(10.8220, 19.9057, 4.7104)
Luminance	0.1991 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E21 #87218E

analogous

#5F8E21 #288E21 #218E51

triadic

#288E21 #21288E #8E2128

tetradic

#288E21 #215F8E #87218E #8E5121

square

#288E21 #215F8E #87218E #8E5121

split-complementary

#288E21 #51218E #8E215F

monochromatic

#0C2B0A #1A5C15 #288E21 #36C02D #5BD752

Accessibility & contrast

On white

4.22

#288E21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#288E21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E21

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E21	#FFFFFF	#000000	##000000
##288E21	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91800A

Deuteranopia (green-blind)

#86782D

Tritanopia (blue-blind)

#0A8A79

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288e21;
/* rgb */ color: rgb(40, 142, 33);
/* oklch */ color: oklch(56.8% 0.171 142.2);

Tailwind

colors: {
  custom: {
    50: '#72b064',
    500: '#288e21',
    950: '#000000',
  },
}

SCSS

$custom: #288e21;
$custom-light: #72b064;
$custom-dark: #000000;

JSON

{
  "hex": "#288e21",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 33
  },
  "hsl": {
    "h": 116.147,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.56759,
    "c": 0.17097,
    "h": 142.2
  },
  "luminance": 0.19907
}

Semantic roles & 50–950 ramp

primary

#288E21

secondary

#B450BA

accent

#42E5DB

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091106

muted

#7B807A

Preview Lab

Preview with #288E21

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

Preview Lab → · Contrast checker → · Palette generator →