#288D53#288D53

#288D53 is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.2% C 0.128 H 153.6°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#288D53
RGB	rgb(40, 141, 83)
HSL	hsl(146, 56%, 35%)
HSV	hsv(146, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 41.1%, 44.7%)
CIE-LAB	lab(51.98, -42.45, 22.84)
CIE-LCH	lch(51.98, 48.20, 151.72°)
OKLab	oklab(57.15% -0.1145 0.0568)
OKLCH	oklch(57.15% 0.128 153.6)
XYZ	xyz(11.9602, 20.1241, 11.4359)
Luminance	0.2013 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D53 #8D2862

analogous

#2F8D28 #288D53 #288D85

triadic

#288D53 #53288D #8D5328

tetradic

#288D53 #282F8D #8D2862 #8D8528

square

#288D53 #282F8D #8D2862 #8D8528

split-complementary

#288D53 #85288D #8D282F

monochromatic

#0D2E1B #1A5D37 #288D53 #36BD6F #5ED18F

Accessibility & contrast

On white

4.18

#288D53 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#288D53 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D53

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D53	#FFFFFF	#000000	##000000
##288D53	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D814F

Deuteranopia (green-blind)

#807857

Tritanopia (blue-blind)

#008B7F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288d53;
/* rgb */ color: rgb(40, 141, 83);
/* oklch */ color: oklch(57.2% 0.128 153.6);

Tailwind

colors: {
  custom: {
    50: '#70af84',
    500: '#288d53',
    950: '#000000',
  },
}

SCSS

$custom: #288d53;
$custom-light: #70af84;
$custom-dark: #000000;

JSON

{
  "hex": "#288d53",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 83
  },
  "hsl": {
    "h": 145.545,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57152,
    "c": 0.12785,
    "h": 153.6
  },
  "luminance": 0.20125
}

Semantic roles & 50–950 ramp

primary

#288D53

secondary

#B75A8F

accent

#499FDF

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288D53

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

Preview Lab → · Contrast checker → · Palette generator →