#288A2D#288A2D

#288A2D is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.7% C 0.158 H 143.8°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#288A2D
RGB	rgb(40, 138, 45)
HSL	hsl(123, 55%, 35%)
HSV	hsv(123, 71%, 54%)
CMYK	cmyk(71%, 0%, 67.4%, 45.9%)
CIE-LAB	lab(50.47, -47.09, 40.39)
CIE-LCH	lch(50.47, 62.04, 139.38°)
OKLab	oklab(55.75% -0.1276 0.0935)
OKLCH	oklch(55.75% 0.158 143.8)
XYZ	xyz(10.4366, 18.8164, 5.5640)
Luminance	0.1882 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A2D #8A2885

analogous

#548A28 #288A2D #288A5E

triadic

#288A2D #2D288A #8A2D28

tetradic

#288A2D #28548A #8A2885 #8A5E28

square

#288A2D #28548A #8A2885 #8A5E28

split-complementary

#288A2D #5E288A #8A2854

monochromatic

#0C2B0E #1A5B1E #288A2D #36B93C #5DD062

Accessibility & contrast

On white

4.41

#288A2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#288A2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A2D

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A2D	#FFFFFF	#000000	##000000
##288A2D	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7D21

Deuteranopia (green-blind)

#817535

Tritanopia (blue-blind)

#088677

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #288a2d;
/* rgb */ color: rgb(40, 138, 45);
/* oklch */ color: oklch(55.7% 0.158 143.8);

Tailwind

colors: {
  custom: {
    50: '#71ad6a',
    500: '#288a2d',
    950: '#000000',
  },
}

SCSS

$custom: #288a2d;
$custom-light: #71ad6a;
$custom-dark: #000000;

JSON

{
  "hex": "#288a2d",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 45
  },
  "hsl": {
    "h": 123.061,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55745,
    "c": 0.15817,
    "h": 143.8
  },
  "luminance": 0.18818
}

Semantic roles & 50–950 ramp

primary

#288A2D

secondary

#B559B0

accent

#49D7DE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #288A2D

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

Preview Lab → · Contrast checker → · Palette generator →