#288F42#288F42

#288F42 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.147 H 147.9°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#288F42
RGB	rgb(40, 143, 66)
HSL	hsl(135, 56%, 36%)
HSV	hsv(135, 72%, 56%)
CMYK	cmyk(72%, 0%, 53.8%, 43.9%)
CIE-LAB	lab(52.38, -46.18, 32.45)
CIE-LCH	lch(52.38, 56.44, 144.90°)
OKLab	oklab(57.4% -0.1244 0.0781)
OKLCH	oklch(57.4% 0.147 147.9)
XYZ	xyz(11.6800, 20.4881, 8.4922)
Luminance	0.2049 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F42 #8F2875

analogous

#418F28 #288F42 #288F75

triadic

#288F42 #42288F #8F4228

tetradic

#288F42 #28418F #8F2875 #8F7528

square

#288F42 #28418F #8F2875 #8F7528

split-complementary

#288F42 #75288F #8F2841

monochromatic

#0D2F16 #1B5F2C #288F42 #35BF58 #5FD27C

Accessibility & contrast

On white

4.12

#288F42 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#288F42 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F42

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F42	#FFFFFF	#000000	##000000
##288F42	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91823B

Deuteranopia (green-blind)

#847A48

Tritanopia (blue-blind)

#008C7D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288f42;
/* rgb */ color: rgb(40, 143, 66);
/* oklch */ color: oklch(57.4% 0.147 147.9);

Tailwind

colors: {
  custom: {
    50: '#71b178',
    500: '#288f42',
    950: '#000000',
  },
}

SCSS

$custom: #288f42;
$custom-light: #71b178;
$custom-dark: #000000;

JSON

{
  "hex": "#288f42",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 66
  },
  "hsl": {
    "h": 135.146,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57404,
    "c": 0.14688,
    "h": 147.9
  },
  "luminance": 0.20489
}

Semantic roles & 50–950 ramp

primary

#288F42

secondary

#B85BA0

accent

#48B9E0

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #288F42

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

Preview Lab → · Contrast checker → · Palette generator →