#188D40#188D40

#188D40 is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.5% C 0.151 H 149.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#188D40
RGB	rgb(24, 141, 64)
HSL	hsl(141, 71%, 32%)
HSV	hsv(141, 83%, 55%)
CMYK	cmyk(83%, 0%, 54.6%, 44.7%)
CIE-LAB	lab(51.40, -48.13, 32.21)
CIE-LCH	lch(51.40, 57.91, 146.21°)
OKLab	oklab(56.49% -0.1292 0.0775)
OKLCH	oklch(56.49% 0.151 149)
XYZ	xyz(10.8261, 19.6128, 8.0646)
Luminance	0.1961 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188D40 #8D1865

analogous

#2A8D18 #188D40 #188D7B

triadic

#188D40 #40188D #8D4018

tetradic

#188D40 #182A8D #8D1865 #8D7B18

square

#188D40 #182A8D #8D1865 #8D7B18

split-complementary

#188D40 #7B188D #8D182A

monochromatic

#062411 #0F5928 #188D40 #21C158 #41DF77

Accessibility & contrast

On white

4.27

#188D40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#188D40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188D40

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188D40	#FFFFFF	#000000	##000000
##188D40	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8039

Deuteranopia (green-blind)

#817746

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #188d40;
/* rgb */ color: rgb(24, 141, 64);
/* oklch */ color: oklch(56.5% 0.151 149.0);

Tailwind

colors: {
  custom: {
    50: '#6caf77',
    500: '#188d40',
    950: '#000000',
  },
}

SCSS

$custom: #188d40;
$custom-light: #6caf77;
$custom-dark: #000000;

JSON

{
  "hex": "#188d40",
  "rgb": {
    "r": 24,
    "g": 141,
    "b": 64
  },
  "hsl": {
    "h": 140.513,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56494,
    "c": 0.15064,
    "h": 149
  },
  "luminance": 0.19614
}

Semantic roles & 50–950 ramp

primary

#188D40

secondary

#BF4294

accent

#3AB0EE

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #188D40

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

Preview Lab → · Contrast checker → · Palette generator →