#288C3D#288C3D

#288C3D is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.5% C 0.147 H 146.9°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#288C3D
RGB	rgb(40, 140, 61)
HSL	hsl(133, 56%, 35%)
HSV	hsv(133, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 56.4%, 45.1%)
CIE-LAB	lab(51.32, -45.80, 33.71)
CIE-LCH	lch(51.32, 56.87, 143.64°)
OKLab	oklab(56.5% -0.1235 0.0806)
OKLCH	oklch(56.5% 0.147 146.9)
XYZ	xyz(11.0947, 19.5430, 7.6014)
Luminance	0.1954 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C3D #8C2877

analogous

#458C28 #288C3D #288C6F

triadic

#288C3D #3D288C #8C3D28

tetradic

#288C3D #28458C #8C2877 #8C6F28

square

#288C3D #28458C #8C2877 #8C6F28

split-complementary

#288C3D #6F288C #8C2845

monochromatic

#0D2D14 #1A5C28 #288C3D #36BC52 #5ED176

Accessibility & contrast

On white

4.28

#288C3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#288C3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C3D

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C3D	#FFFFFF	#000000	##000000
##288C3D	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7F36

Deuteranopia (green-blind)

#827743

Tritanopia (blue-blind)

#00897A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288c3d;
/* rgb */ color: rgb(40, 140, 61);
/* oklch */ color: oklch(56.5% 0.147 146.9);

Tailwind

colors: {
  custom: {
    50: '#70af75',
    500: '#288c3d',
    950: '#000000',
  },
}

SCSS

$custom: #288c3d;
$custom-light: #70af75;
$custom-dark: #000000;

JSON

{
  "hex": "#288c3d",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 61
  },
  "hsl": {
    "h": 132.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.565,
    "c": 0.14743,
    "h": 146.9
  },
  "luminance": 0.19544
}

Semantic roles & 50–950 ramp

primary

#288C3D

secondary

#B65AA3

accent

#49BFDF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#091008

muted

#7B7F7B

Preview Lab

Preview with #288C3D

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

Preview Lab → · Contrast checker → · Palette generator →