#288D4A#288D4A

#288D4A is a mid, vivid green. Relative luminance 0.200; OKLCH L 57.0% C 0.137 H 150.4°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#288D4A
RGB	rgb(40, 141, 74)
HSL	hsl(140, 56%, 35%)
HSV	hsv(140, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 47.5%, 44.7%)
CIE-LAB	lab(51.83, -44.11, 27.55)
CIE-LCH	lch(51.83, 52.01, 148.01°)
OKLab	oklab(56.98% -0.1188 0.0675)
OKLCH	oklch(56.98% 0.137 150.4)
XYZ	xyz(11.6350, 19.9940, 9.7233)
Luminance	0.1999 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D4A #8D286B

analogous

#388D28 #288D4A #288D7C

triadic

#288D4A #4A288D #8D4A28

tetradic

#288D4A #28388D #8D286B #8D7C28

square

#288D4A #28388D #8D286B #8D7C28

split-complementary

#288D4A #7C288D #8D2838

monochromatic

#0D2E18 #1A5D31 #288D4A #36BD63 #5ED185

Accessibility & contrast

On white

4.20

#288D4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#288D4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D4A

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D4A	#FFFFFF	#000000	##000000
##288D4A	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8145

Deuteranopia (green-blind)

#82784F

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288d4a;
/* rgb */ color: rgb(40, 141, 74);
/* oklch */ color: oklch(57.0% 0.137 150.4);

Tailwind

colors: {
  custom: {
    50: '#70af7d',
    500: '#288d4a',
    950: '#000000',
  },
}

SCSS

$custom: #288d4a;
$custom-light: #70af7d;
$custom-dark: #000000;

JSON

{
  "hex": "#288d4a",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 74
  },
  "hsl": {
    "h": 140.198,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56983,
    "c": 0.13661,
    "h": 150.4
  },
  "luminance": 0.19995
}

Semantic roles & 50–950 ramp

primary

#288D4A

secondary

#B75A98

accent

#49ACDF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288D4A

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

Preview Lab → · Contrast checker → · Palette generator →