#288F21#288F21

#288F21 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.0% C 0.172 H 142.2°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#288F21
RGB	rgb(40, 143, 33)
HSL	hsl(116, 63%, 35%)
HSV	hsv(116, 77%, 56%)
CMYK	cmyk(72%, 0%, 76.9%, 43.9%)
CIE-LAB	lab(52.07, -49.94, 46.90)
CIE-LCH	lch(52.07, 68.51, 136.80°)
OKLab	oklab(57.04% -0.1359 0.1056)
OKLCH	oklch(57.04% 0.172 142.2)
XYZ	xyz(10.9714, 20.2046, 4.7602)
Luminance	0.2021 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F21 #88218F

analogous

#5F8F21 #288F21 #218F51

triadic

#288F21 #21288F #8F2128

tetradic

#288F21 #215F8F #88218F #8F5121

square

#288F21 #215F8F #88218F #8F5121

split-complementary

#288F21 #51218F #8F215F

monochromatic

#0C2C0A #1A5D16 #288F21 #36C12C #5BD753

Accessibility & contrast

On white

4.17

#288F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#288F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F21

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F21	#FFFFFF	#000000	##000000
##288F21	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928109

Deuteranopia (green-blind)

#87792D

Tritanopia (blue-blind)

#098B7A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288f21;
/* rgb */ color: rgb(40, 143, 33);
/* oklch */ color: oklch(57.0% 0.172 142.2);

Tailwind

colors: {
  custom: {
    50: '#73b164',
    500: '#288f21',
    950: '#000000',
  },
}

SCSS

$custom: #288f21;
$custom-light: #73b164;
$custom-dark: #000000;

JSON

{
  "hex": "#288f21",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 33
  },
  "hsl": {
    "h": 116.182,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57039,
    "c": 0.17213,
    "h": 142.2
  },
  "luminance": 0.20206
}

Semantic roles & 50–950 ramp

primary

#288F21

secondary

#B451BB

accent

#42E6DB

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #288F21

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

Preview Lab → · Contrast checker → · Palette generator →