#288E37#288E37

#288E37 is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.0% C 0.155 H 145.4°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#288E37
RGB	rgb(40, 142, 55)
HSL	hsl(129, 56%, 36%)
HSV	hsv(129, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 61.3%, 44.3%)
CIE-LAB	lab(51.92, -47.35, 37.38)
CIE-LCH	lch(51.92, 60.33, 141.71°)
OKLab	oklab(56.97% -0.1279 0.0881)
OKLCH	oklch(56.97% 0.155 145.4)
XYZ	xyz(11.2369, 20.0717, 6.8957)
Luminance	0.2007 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E37 #8E287F

analogous

#4C8E28 #288E37 #288E6A

triadic

#288E37 #37288E #8E3728

tetradic

#288E37 #284C8E #8E287F #8E6A28

square

#288E37 #284C8E #8E287F #8E6A28

split-complementary

#288E37 #6A288E #8E284C

monochromatic

#0D2F12 #1B5E25 #288E37 #35BE49 #5FD270

Accessibility & contrast

On white

4.19

#288E37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#288E37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E37

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E37	#FFFFFF	#000000	##000000
##288E37	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90812E

Deuteranopia (green-blind)

#84793E

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288e37;
/* rgb */ color: rgb(40, 142, 55);
/* oklch */ color: oklch(57.0% 0.155 145.4);

Tailwind

colors: {
  custom: {
    50: '#71b071',
    500: '#288e37',
    950: '#000000',
  },
}

SCSS

$custom: #288e37;
$custom-light: #71b071;
$custom-dark: #000000;

JSON

{
  "hex": "#288e37",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 55
  },
  "hsl": {
    "h": 128.824,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.56975,
    "c": 0.15526,
    "h": 145.4
  },
  "luminance": 0.20073
}

Semantic roles & 50–950 ramp

primary

#288E37

secondary

#B75BAA

accent

#48C9DF

background

#F7FAF6

surface

#EDF5EC

border

#C8CFC7

text

#091108

muted

#7B807B

Preview Lab

Preview with #288E37

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

Preview Lab → · Contrast checker → · Palette generator →