#288D40#288D40

#288D40 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.8% C 0.146 H 147.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#288D40
RGB	rgb(40, 141, 64)
HSL	hsl(134, 56%, 35%)
HSV	hsv(134, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 54.6%, 44.7%)
CIE-LAB	lab(51.69, -45.73, 32.63)
CIE-LCH	lch(51.69, 56.18, 144.49°)
OKLab	oklab(56.82% -0.1232 0.0784)
OKLCH	oklch(56.82% 0.146 147.5)
XYZ	xyz(11.3245, 19.8698, 8.0879)
Luminance	0.1987 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D40 #8D2875

analogous

#438D28 #288D40 #288D72

triadic

#288D40 #40288D #8D4028

tetradic

#288D40 #28438D #8D2875 #8D7228

square

#288D40 #28438D #8D2875 #8D7228

split-complementary

#288D40 #72288D #8D2843

monochromatic

#0D2E15 #1A5D2A #288D40 #36BD56 #5ED179

Accessibility & contrast

On white

4.22

#288D40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#288D40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D40

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D40	#FFFFFF	#000000	##000000
##288D40	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8039

Deuteranopia (green-blind)

#837846

Tritanopia (blue-blind)

#008A7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288d40;
/* rgb */ color: rgb(40, 141, 64);
/* oklch */ color: oklch(56.8% 0.146 147.5);

Tailwind

colors: {
  custom: {
    50: '#71af77',
    500: '#288d40',
    950: '#000000',
  },
}

SCSS

$custom: #288d40;
$custom-light: #71af77;
$custom-dark: #000000;

JSON

{
  "hex": "#288d40",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 64
  },
  "hsl": {
    "h": 134.257,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56821,
    "c": 0.14604,
    "h": 147.5
  },
  "luminance": 0.19871
}

Semantic roles & 50–950 ramp

primary

#288D40

secondary

#B75AA1

accent

#49BBDF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091009

muted

#7B7F7B

Preview Lab

Preview with #288D40

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

Preview Lab → · Contrast checker → · Palette generator →