#288D45#288D45

#288D45 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.9% C 0.141 H 148.9°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#288D45
RGB	rgb(40, 141, 69)
HSL	hsl(137, 56%, 35%)
HSV	hsv(137, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 51.1%, 44.7%)
CIE-LAB	lab(51.76, -44.95, 30.12)
CIE-LCH	lch(51.76, 54.11, 146.18°)
OKLab	oklab(56.9% -0.121 0.0731)
OKLCH	oklch(56.9% 0.141 148.9)
XYZ	xyz(11.4732, 19.9293, 8.8711)
Luminance	0.1993 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D45 #8D2870

analogous

#3D8D28 #288D45 #288D77

triadic

#288D45 #45288D #8D4528

tetradic

#288D45 #283D8D #8D2870 #8D7728

square

#288D45 #283D8D #8D2870 #8D7728

split-complementary

#288D45 #77288D #8D283D

monochromatic

#0D2E16 #1A5D2E #288D45 #36BD5C #5ED17F

Accessibility & contrast

On white

4.21

#288D45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#288D45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D45

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D45	#FFFFFF	#000000	##000000
##288D45	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E813F

Deuteranopia (green-blind)

#82784A

Tritanopia (blue-blind)

#008A7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288d45;
/* rgb */ color: rgb(40, 141, 69);
/* oklch */ color: oklch(56.9% 0.141 148.9);

Tailwind

colors: {
  custom: {
    50: '#70af7a',
    500: '#288d45',
    950: '#000000',
  },
}

SCSS

$custom: #288d45;
$custom-light: #70af7a;
$custom-dark: #000000;

JSON

{
  "hex": "#288d45",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 69
  },
  "hsl": {
    "h": 137.228,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56898,
    "c": 0.14139,
    "h": 148.9
  },
  "luminance": 0.19931
}

Semantic roles & 50–950 ramp

primary

#288D45

secondary

#B75A9C

accent

#49B4DF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #288D45

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

Preview Lab → · Contrast checker → · Palette generator →