#287D40#287D40

#287D40 is a mid, vivid green. Relative luminance 0.155; OKLCH L 52.4% C 0.124 H 149.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#287D40
RGB	rgb(40, 125, 64)
HSL	hsl(137, 52%, 32%)
HSV	hsv(137, 68%, 49%)
CMYK	cmyk(68%, 0%, 48.8%, 51%)
CIE-LAB	lab(46.29, -39.50, 25.94)
CIE-LCH	lch(46.29, 47.25, 146.70°)
OKLab	oklab(52.37% -0.1065 0.0634)
OKLCH	oklch(52.37% 0.124 149.2)
XYZ	xyz(9.1334, 15.4876, 7.3576)
Luminance	0.1549 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287D40 #7D2865

analogous

#3B7D28 #287D40 #287D6A

triadic

#287D40 #40287D #7D4028

tetradic

#287D40 #283B7D #7D2865 #7D6A28

square

#287D40 #283B7D #7D2865 #7D6A28

split-complementary

#287D40 #6A287D #7D283B

monochromatic

#0A2011 #194F28 #287D40 #37AB58 #56C977

Accessibility & contrast

On white

5.12

#287D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#287D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287D40

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287D40	#FFFFFF	#000000	##FFFFFF
##287D40	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E723B

Deuteranopia (green-blind)

#736B44

Tritanopia (blue-blind)

#067B6F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #287d40;
/* rgb */ color: rgb(40, 125, 64);
/* oklch */ color: oklch(52.4% 0.124 149.2);

Tailwind

colors: {
  custom: {
    50: '#6da376',
    500: '#287d40',
    950: '#000000',
  },
}

SCSS

$custom: #287d40;
$custom-light: #6da376;
$custom-dark: #000000;

JSON

{
  "hex": "#287d40",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 64
  },
  "hsl": {
    "h": 136.941,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.52366,
    "c": 0.12394,
    "h": 149.2
  },
  "luminance": 0.15489
}

Semantic roles & 50–950 ramp

primary

#287D40

secondary

#AE5394

accent

#4DB3DB

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#080F08

muted

#7A7F7B

Preview Lab

Preview with #287D40

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

Preview Lab → · Contrast checker → · Palette generator →