#288D10#288D10

#288D10 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.4% C 0.178 H 140.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#288D10
RGB	rgb(40, 141, 16)
HSL	hsl(108, 80%, 31%)
HSV	hsv(108, 89%, 55%)
CMYK	cmyk(71.6%, 0%, 88.7%, 44.7%)
CIE-LAB	lab(51.31, -50.27, 51.22)
CIE-LCH	lch(51.31, 71.77, 134.46°)
OKLab	oklab(56.38% -0.1376 0.1122)
OKLCH	oklch(56.38% 0.178 140.8)
XYZ	xyz(10.4929, 19.5371, 3.7082)
Luminance	0.1954 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D10 #75108D

analogous

#668D10 #288D10 #108D36

triadic

#288D10 #10288D #8D1028

tetradic

#288D10 #10668D #75108D #8D3610

square

#288D10 #10668D #75108D #8D3610

split-complementary

#288D10 #36108D #8D1066

monochromatic

#091F04 #18560A #288D10 #38C416 #53E730

Accessibility & contrast

On white

4.28

#288D10 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#288D10 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D10

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D10	#FFFFFF	#000000	##000000
##288D10	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#857722

Tritanopia (blue-blind)

#108877

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288d10;
/* rgb */ color: rgb(40, 141, 16);
/* oklch */ color: oklch(56.4% 0.178 140.8);

Tailwind

colors: {
  custom: {
    50: '#73af5d',
    500: '#288d10',
    950: '#000000',
  },
}

SCSS

$custom: #288d10;
$custom-light: #73af5d;
$custom-dark: #000000;

JSON

{
  "hex": "#288d10",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 16
  },
  "hsl": {
    "h": 108.48,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.56384,
    "c": 0.17756,
    "h": 140.8
  },
  "luminance": 0.19538
}

Semantic roles & 50–950 ramp

primary

#288D10

secondary

#A737C2

accent

#32F6D0

background

#F7FAF5

surface

#EDF5EA

border

#C8CFC6

text

#091005

muted

#7B7F79

Preview Lab

Preview with #288D10

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

Preview Lab → · Contrast checker → · Palette generator →