#288E4A#288E4A

#288E4A is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.3% C 0.138 H 150.3°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#288E4A
RGB	rgb(40, 142, 74)
HSL	hsl(140, 56%, 36%)
HSV	hsv(140, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 47.9%, 44.3%)
CIE-LAB	lab(52.16, -44.50, 27.98)
CIE-LCH	lch(52.16, 52.56, 147.84°)
OKLab	oklab(57.26% -0.1198 0.0685)
OKLCH	oklch(57.26% 0.138 150.3)
XYZ	xyz(11.7831, 20.2902, 9.7727)
Luminance	0.2029 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E4A #8E286C

analogous

#398E28 #288E4A #288E7D

triadic

#288E4A #4A288E #8E4A28

tetradic

#288E4A #28398E #8E286C #8E7D28

square

#288E4A #28398E #8E286C #8E7D28

split-complementary

#288E4A #7D288E #8E2839

monochromatic

#0D2F18 #1B5E31 #288E4A #35BE63 #5FD285

Accessibility & contrast

On white

4.15

#288E4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#288E4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E4A

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E4A	#FFFFFF	#000000	##000000
##288E4A	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8245

Deuteranopia (green-blind)

#82794F

Tritanopia (blue-blind)

#008C7E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288e4a;
/* rgb */ color: rgb(40, 142, 74);
/* oklch */ color: oklch(57.3% 0.138 150.3);

Tailwind

colors: {
  custom: {
    50: '#70b07d',
    500: '#288e4a',
    950: '#000000',
  },
}

SCSS

$custom: #288e4a;
$custom-light: #70b07d;
$custom-dark: #000000;

JSON

{
  "hex": "#288e4a",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 74
  },
  "hsl": {
    "h": 140,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57258,
    "c": 0.13798,
    "h": 150.3
  },
  "luminance": 0.20292
}

Semantic roles & 50–950 ramp

primary

#288E4A

secondary

#B75B98

accent

#48ADDF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#09110A

muted

#7B807C

Preview Lab

Preview with #288E4A

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

Preview Lab → · Contrast checker → · Palette generator →