#288B2D#288B2D

#288B2D is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.0% C 0.159 H 143.8°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#288B2D
RGB	rgb(40, 139, 45)
HSL	hsl(123, 55%, 35%)
HSV	hsv(123, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 67.6%, 45.5%)
CIE-LAB	lab(50.81, -47.45, 40.76)
CIE-LCH	lch(50.81, 62.55, 139.34°)
OKLab	oklab(56.03% -0.1286 0.0943)
OKLCH	oklch(56.03% 0.159 143.8)
XYZ	xyz(10.5807, 19.1047, 5.6121)
Luminance	0.1911 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B2D #8B2886

analogous

#558B28 #288B2D #288B5E

triadic

#288B2D #2D288B #8B2D28

tetradic

#288B2D #28558B #8B2886 #8B5E28

square

#288B2D #28558B #8B2886 #8B5E28

split-complementary

#288B2D #5E288B #8B2855

monochromatic

#0D2C0E #1A5B1E #288B2D #36BB3C #5DD063

Accessibility & contrast

On white

4.36

#288B2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#288B2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B2D

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B2D	#FFFFFF	#000000	##000000
##288B2D	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E21

Deuteranopia (green-blind)

#827636

Tritanopia (blue-blind)

#078778

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b2d;
/* rgb */ color: rgb(40, 139, 45);
/* oklch */ color: oklch(56.0% 0.159 143.8);

Tailwind

colors: {
  custom: {
    50: '#71ae6a',
    500: '#288b2d',
    950: '#000000',
  },
}

SCSS

$custom: #288b2d;
$custom-light: #71ae6a;
$custom-dark: #000000;

JSON

{
  "hex": "#288b2d",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 45
  },
  "hsl": {
    "h": 123.03,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56025,
    "c": 0.15942,
    "h": 143.8
  },
  "luminance": 0.19106
}

Semantic roles & 50–950 ramp

primary

#288B2D

secondary

#B659B1

accent

#49D7DF

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #288B2D

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

Preview Lab → · Contrast checker → · Palette generator →