#288F4A#288F4A

#288F4A is a mid, vivid green. Relative luminance 0.206; OKLCH L 57.5% C 0.139 H 150.1°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#288F4A
RGB	rgb(40, 143, 74)
HSL	hsl(140, 56%, 36%)
HSV	hsv(140, 72%, 56%)
CMYK	cmyk(72%, 0%, 48.3%, 43.9%)
CIE-LAB	lab(52.50, -44.88, 28.40)
CIE-LCH	lch(52.50, 53.11, 147.68°)
OKLab	oklab(57.53% -0.1208 0.0694)
OKLCH	oklch(57.53% 0.139 150.1)
XYZ	xyz(11.9326, 20.5891, 9.8225)
Luminance	0.2059 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F4A #8F286D

analogous

#398F28 #288F4A #288F7D

triadic

#288F4A #4A288F #8F4A28

tetradic

#288F4A #28398F #8F286D #8F7D28

square

#288F4A #28398F #8F286D #8F7D28

split-complementary

#288F4A #7D288F #8F2839

monochromatic

#0D2F19 #1B5F31 #288F4A #35BF63 #5FD285

Accessibility & contrast

On white

4.10

#288F4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#288F4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F4A

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F4A	#FFFFFF	#000000	##000000
##288F4A	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)

#908345

Deuteranopia (green-blind)

#837A4F

Tritanopia (blue-blind)

#008C7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288f4a;
/* rgb */ color: rgb(40, 143, 74);
/* oklch */ color: oklch(57.5% 0.139 150.1);

Tailwind

colors: {
  custom: {
    50: '#71b17e',
    500: '#288f4a',
    950: '#000000',
  },
}

SCSS

$custom: #288f4a;
$custom-light: #71b17e;
$custom-dark: #000000;

JSON

{
  "hex": "#288f4a",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 74
  },
  "hsl": {
    "h": 139.806,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57533,
    "c": 0.13936,
    "h": 150.1
  },
  "luminance": 0.2059
}

Semantic roles & 50–950 ramp

primary

#288F4A

secondary

#B85B99

accent

#48AEE0

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#09110A

muted

#7B807C

Preview Lab

Preview with #288F4A

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

Preview Lab → · Contrast checker → · Palette generator →