#288F4C#288F4C

#288F4C is a mid, vivid green. Relative luminance 0.206; OKLCH L 57.6% C 0.137 H 150.8°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#288F4C
RGB	rgb(40, 143, 76)
HSL	hsl(141, 56%, 36%)
HSV	hsv(141, 72%, 56%)
CMYK	cmyk(72%, 0%, 46.9%, 43.9%)
CIE-LAB	lab(52.53, -44.54, 27.37)
CIE-LCH	lch(52.53, 52.27, 148.43°)
OKLab	oklab(57.57% -0.1199 0.0671)
OKLCH	oklch(57.57% 0.137 150.8)
XYZ	xyz(12.0011, 20.6165, 10.1830)
Luminance	0.2062 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F4C #8F286B

analogous

#378F28 #288F4C #288F7F

triadic

#288F4C #4C288F #8F4C28

tetradic

#288F4C #28378F #8F286B #8F7F28

square

#288F4C #28378F #8F286B #8F7F28

split-complementary

#288F4C #7F288F #8F2837

monochromatic

#0D2F19 #1B5F33 #288F4C #35BF65 #5FD287

Accessibility & contrast

On white

4.10

#288F4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#288F4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F4C

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F4C	#FFFFFF	#000000	##000000
##288F4C	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908347

Deuteranopia (green-blind)

#837A51

Tritanopia (blue-blind)

#008D7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288f4c;
/* rgb */ color: rgb(40, 143, 76);
/* oklch */ color: oklch(57.6% 0.137 150.8);

Tailwind

colors: {
  custom: {
    50: '#71b17f',
    500: '#288f4c',
    950: '#000000',
  },
}

SCSS

$custom: #288f4c;
$custom-light: #71b17f;
$custom-dark: #000000;

JSON

{
  "hex": "#288f4c",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 76
  },
  "hsl": {
    "h": 140.971,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57568,
    "c": 0.13743,
    "h": 150.8
  },
  "luminance": 0.20618
}

Semantic roles & 50–950 ramp

primary

#288F4C

secondary

#B85B97

accent

#48ABE0

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#09110A

muted

#7B807C

Preview Lab

Preview with #288F4C

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

Preview Lab → · Contrast checker → · Palette generator →