#288A4C#288A4C

#288A4C is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.131 H 151.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#288A4C
RGB	rgb(40, 138, 76)
HSL	hsl(142, 55%, 35%)
HSV	hsv(142, 71%, 54%)
CMYK	cmyk(71%, 0%, 44.9%, 45.9%)
CIE-LAB	lab(50.86, -42.57, 25.23)
CIE-LCH	lch(50.86, 49.49, 149.35°)
OKLab	oklab(56.19% -0.1147 0.0622)
OKLCH	oklch(56.19% 0.131 151.5)
XYZ	xyz(11.2671, 19.1486, 9.9383)
Luminance	0.1915 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A4C #8A2866

analogous

#358A28 #288A4C #288A7D

triadic

#288A4C #4C288A #8A4C28

tetradic

#288A4C #28358A #8A2866 #8A7D28

square

#288A4C #28358A #8A2866 #8A7D28

split-complementary

#288A4C #7D288A #8A2835

monochromatic

#0C2B18 #1A5B32 #288A4C #36B966 #5DD087

Accessibility & contrast

On white

4.35

#288A4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#288A4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A4C

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A4C	#FFFFFF	#000000	##000000
##288A4C	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7E47

Deuteranopia (green-blind)

#7E7650

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288a4c;
/* rgb */ color: rgb(40, 138, 76);
/* oklch */ color: oklch(56.2% 0.131 151.5);

Tailwind

colors: {
  custom: {
    50: '#70ad7f',
    500: '#288a4c',
    950: '#000000',
  },
}

SCSS

$custom: #288a4c;
$custom-light: #70ad7f;
$custom-dark: #000000;

JSON

{
  "hex": "#288a4c",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 76
  },
  "hsl": {
    "h": 142.041,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56193,
    "c": 0.1305,
    "h": 151.5
  },
  "luminance": 0.1915
}

Semantic roles & 50–950 ramp

primary

#288A4C

secondary

#B55993

accent

#49A8DE

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288A4C

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

Preview Lab → · Contrast checker → · Palette generator →