#288C50#288C50

#288C50 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.8% C 0.129 H 152.7°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#288C50
RGB	rgb(40, 140, 80)
HSL	hsl(144, 56%, 35%)
HSV	hsv(144, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 42.9%, 45.1%)
CIE-LAB	lab(51.59, -42.63, 23.99)
CIE-LCH	lch(51.59, 48.91, 150.63°)
OKLab	oklab(56.82% -0.1149 0.0594)
OKLCH	oklch(56.82% 0.129 152.7)
XYZ	xyz(11.7001, 19.7852, 10.7902)
Luminance	0.1979 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C50 #8C2864

analogous

#328C28 #288C50 #288C82

triadic

#288C50 #50288C #8C5028

tetradic

#288C50 #28328C #8C2864 #8C8228

square

#288C50 #28328C #8C2864 #8C8228

split-complementary

#288C50 #82288C #8C2832

monochromatic

#0D2D1A #1A5C35 #288C50 #36BC6B #5ED18C

Accessibility & contrast

On white

4.24

#288C50 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#288C50 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C50

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C50	#FFFFFF	#000000	##000000
##288C50	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C804C

Deuteranopia (green-blind)

#807754

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c50;
/* rgb */ color: rgb(40, 140, 80);
/* oklch */ color: oklch(56.8% 0.129 152.7);

Tailwind

colors: {
  custom: {
    50: '#70ae82',
    500: '#288c50',
    950: '#000000',
  },
}

SCSS

$custom: #288c50;
$custom-light: #70ae82;
$custom-dark: #000000;

JSON

{
  "hex": "#288c50",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 80
  },
  "hsl": {
    "h": 144,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56819,
    "c": 0.12939,
    "h": 152.7
  },
  "luminance": 0.19786
}

Semantic roles & 50–950 ramp

primary

#288C50

secondary

#B65A91

accent

#49A3DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288C50

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

Preview Lab → · Contrast checker → · Palette generator →