#288A4B#288A4B

#288A4B is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.2% C 0.131 H 151.2°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#288A4B
RGB	rgb(40, 138, 75)
HSL	hsl(141, 55%, 35%)
HSV	hsv(141, 71%, 54%)
CMYK	cmyk(71%, 0%, 45.7%, 45.9%)
CIE-LAB	lab(50.84, -42.76, 25.75)
CIE-LCH	lch(50.84, 49.91, 148.94°)
OKLab	oklab(56.17% -0.1152 0.0634)
OKLCH	oklch(56.17% 0.131 151.2)
XYZ	xyz(11.2326, 19.1348, 9.7567)
Luminance	0.1914 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A4B #8A2867

analogous

#368A28 #288A4B #288A7C

triadic

#288A4B #4B288A #8A4B28

tetradic

#288A4B #28368A #8A2867 #8A7C28

square

#288A4B #28368A #8A2867 #8A7C28

split-complementary

#288A4B #7C288A #8A2836

monochromatic

#0C2B17 #1A5B31 #288A4B #36B965 #5DD086

Accessibility & contrast

On white

4.35

#288A4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#288A4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A4B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A4B	#FFFFFF	#000000	##000000
##288A4B	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)

#8B7E46

Deuteranopia (green-blind)

#7F764F

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288a4b;
/* rgb */ color: rgb(40, 138, 75);
/* oklch */ color: oklch(56.2% 0.131 151.2);

Tailwind

colors: {
  custom: {
    50: '#70ad7e',
    500: '#288a4b',
    950: '#000000',
  },
}

SCSS

$custom: #288a4b;
$custom-light: #70ad7e;
$custom-dark: #000000;

JSON

{
  "hex": "#288a4b",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 75
  },
  "hsl": {
    "h": 141.429,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56174,
    "c": 0.13148,
    "h": 151.2
  },
  "luminance": 0.19136
}

Semantic roles & 50–950 ramp

primary

#288A4B

secondary

#B55994

accent

#49A9DE

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288A4B

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

Preview Lab → · Contrast checker → · Palette generator →