#288B3D#288B3D

#288B3D is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.2% C 0.146 H 146.9°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#288B3D
RGB	rgb(40, 139, 61)
HSL	hsl(133, 55%, 35%)
HSV	hsv(133, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 56.1%, 45.5%)
CIE-LAB	lab(50.98, -45.42, 33.31)
CIE-LCH	lch(50.98, 56.33, 143.75°)
OKLab	oklab(56.22% -0.1225 0.0797)
OKLCH	oklch(56.22% 0.146 146.9)
XYZ	xyz(10.9492, 19.2521, 7.5530)
Luminance	0.1925 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B3D #8B2876

analogous

#458B28 #288B3D #288B6E

triadic

#288B3D #3D288B #8B3D28

tetradic

#288B3D #28458B #8B2876 #8B6E28

square

#288B3D #28458B #8B2876 #8B6E28

split-complementary

#288B3D #6E288B #8B2845

monochromatic

#0D2C13 #1A5B28 #288B3D #36BB52 #5DD075

Accessibility & contrast

On white

4.33

#288B3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#288B3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B3D

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B3D	#FFFFFF	#000000	##000000
##288B3D	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E36

Deuteranopia (green-blind)

#817643

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b3d;
/* rgb */ color: rgb(40, 139, 61);
/* oklch */ color: oklch(56.2% 0.146 146.9);

Tailwind

colors: {
  custom: {
    50: '#70ae74',
    500: '#288b3d',
    950: '#000000',
  },
}

SCSS

$custom: #288b3d;
$custom-light: #70ae74;
$custom-dark: #000000;

JSON

{
  "hex": "#288b3d",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 61
  },
  "hsl": {
    "h": 132.727,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56222,
    "c": 0.1461,
    "h": 146.9
  },
  "luminance": 0.19253
}

Semantic roles & 50–950 ramp

primary

#288B3D

secondary

#B659A2

accent

#49BFDF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #288B3D

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

Preview Lab → · Contrast checker → · Palette generator →