#288C53#288C53

#288C53 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.9% C 0.126 H 153.8°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#288C53
RGB	rgb(40, 140, 83)
HSL	hsl(146, 56%, 35%)
HSV	hsv(146, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 40.7%, 45.1%)
CIE-LAB	lab(51.65, -42.05, 22.40)
CIE-LCH	lch(51.65, 47.64, 151.95°)
OKLab	oklab(56.88% -0.1135 0.0558)
OKLCH	oklch(56.88% 0.126 153.8)
XYZ	xyz(11.8134, 19.8305, 11.3870)
Luminance	0.1983 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C53 #8C2861

analogous

#2F8C28 #288C53 #288C85

triadic

#288C53 #53288C #8C5328

tetradic

#288C53 #282F8C #8C2861 #8C8528

square

#288C53 #282F8C #8C2861 #8C8528

split-complementary

#288C53 #85288C #8C282F

monochromatic

#0D2D1B #1A5C37 #288C53 #36BC6F #5ED18F

Accessibility & contrast

On white

4.23

#288C53 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#288C53 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C53

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C53	#FFFFFF	#000000	##000000
##288C53	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C804F

Deuteranopia (green-blind)

#7F7857

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c53;
/* rgb */ color: rgb(40, 140, 83);
/* oklch */ color: oklch(56.9% 0.126 153.8);

Tailwind

colors: {
  custom: {
    50: '#70ae84',
    500: '#288c53',
    950: '#000000',
  },
}

SCSS

$custom: #288c53;
$custom-light: #70ae84;
$custom-dark: #000000;

JSON

{
  "hex": "#288c53",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 83
  },
  "hsl": {
    "h": 145.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56878,
    "c": 0.12646,
    "h": 153.8
  },
  "luminance": 0.19832
}

Semantic roles & 50–950 ramp

primary

#288C53

secondary

#B65A8E

accent

#499EDF

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288C53

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

Preview Lab → · Contrast checker → · Palette generator →