#288F3F#288F3F

#288F3F is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.150 H 147.1°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#288F3F
RGB	rgb(40, 143, 63)
HSL	hsl(133, 56%, 36%)
HSV	hsv(133, 72%, 56%)
CMYK	cmyk(72%, 0%, 55.9%, 43.9%)
CIE-LAB	lab(52.35, -46.63, 33.94)
CIE-LCH	lch(52.35, 57.67, 143.95°)
OKLab	oklab(57.36% -0.1257 0.0812)
OKLCH	oklch(57.36% 0.15 147.1)
XYZ	xyz(11.5939, 20.4536, 8.0386)
Luminance	0.2046 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F3F #8F2878

analogous

#448F28 #288F3F #288F72

triadic

#288F3F #3F288F #8F3F28

tetradic

#288F3F #28448F #8F2878 #8F7228

square

#288F3F #28448F #8F2878 #8F7228

split-complementary

#288F3F #72288F #8F2844

monochromatic

#0D2F15 #1B5F2A #288F3F #35BF54 #5FD279

Accessibility & contrast

On white

4.12

#288F3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#288F3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F3F

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F3F	#FFFFFF	#000000	##000000
##288F3F	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918238

Deuteranopia (green-blind)

#857A45

Tritanopia (blue-blind)

#008C7D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288f3f;
/* rgb */ color: rgb(40, 143, 63);
/* oklch */ color: oklch(57.4% 0.150 147.1);

Tailwind

colors: {
  custom: {
    50: '#71b176',
    500: '#288f3f',
    950: '#000000',
  },
}

SCSS

$custom: #288f3f;
$custom-light: #71b176;
$custom-dark: #000000;

JSON

{
  "hex": "#288f3f",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 63
  },
  "hsl": {
    "h": 133.398,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.5736,
    "c": 0.1496,
    "h": 147.1
  },
  "luminance": 0.20455
}

Semantic roles & 50–950 ramp

primary

#288F3F

secondary

#B85BA3

accent

#48BEE0

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #288F3F

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

Preview Lab → · Contrast checker → · Palette generator →