#288C4A#288C4A

#288C4A is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.7% C 0.135 H 150.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#288C4A
RGB	rgb(40, 140, 74)
HSL	hsl(140, 56%, 35%)
HSV	hsv(140, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 47.1%, 45.1%)
CIE-LAB	lab(51.50, -43.72, 27.13)
CIE-LCH	lch(51.50, 51.45, 148.18°)
OKLab	oklab(56.71% -0.1177 0.0665)
OKLCH	oklch(56.71% 0.135 150.5)
XYZ	xyz(11.4883, 19.7004, 9.6744)
Luminance	0.1970 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C4A #8C286A

analogous

#388C28 #288C4A #288C7C

triadic

#288C4A #4A288C #8C4A28

tetradic

#288C4A #28388C #8C286A #8C7C28

square

#288C4A #28388C #8C286A #8C7C28

split-complementary

#288C4A #7C288C #8C2838

monochromatic

#0D2D18 #1A5C31 #288C4A #36BC63 #5ED185

Accessibility & contrast

On white

4.25

#288C4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#288C4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C4A

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C4A	#FFFFFF	#000000	##000000
##288C4A	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8045

Deuteranopia (green-blind)

#81774F

Tritanopia (blue-blind)

#008A7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c4a;
/* rgb */ color: rgb(40, 140, 74);
/* oklch */ color: oklch(56.7% 0.135 150.5);

Tailwind

colors: {
  custom: {
    50: '#70ae7d',
    500: '#288c4a',
    950: '#000000',
  },
}

SCSS

$custom: #288c4a;
$custom-light: #70ae7d;
$custom-dark: #000000;

JSON

{
  "hex": "#288c4a",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 74
  },
  "hsl": {
    "h": 140.4,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56707,
    "c": 0.13523,
    "h": 150.5
  },
  "luminance": 0.19702
}

Semantic roles & 50–950 ramp

primary

#288C4A

secondary

#B65A97

accent

#49ACDF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288C4A

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

Preview Lab → · Contrast checker → · Palette generator →