#188D21#188D21

#188D21 is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.1% C 0.174 H 143.6°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#188D21
RGB	rgb(24, 141, 33)
HSL	hsl(125, 71%, 32%)
HSV	hsv(125, 83%, 55%)
CMYK	cmyk(83%, 0%, 76.6%, 44.7%)
CIE-LAB	lab(51.10, -51.80, 45.84)
CIE-LCH	lch(51.10, 69.17, 138.49°)
OKLab	oklab(56.15% -0.1402 0.1035)
OKLCH	oklch(56.15% 0.174 143.6)
XYZ	xyz(10.1754, 19.3525, 4.6377)
Luminance	0.1935 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188D21 #8D1884

analogous

#4A8D18 #188D21 #188D5B

triadic

#188D21 #21188D #8D2118

tetradic

#188D21 #184A8D #8D1884 #8D5B18

square

#188D21 #184A8D #8D1884 #8D5B18

split-complementary

#188D21 #5B188D #8D184A

monochromatic

#062409 #0F5915 #188D21 #21C12D #41DF4D

Accessibility & contrast

On white

4.31

#188D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#188D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188D21

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188D21	#FFFFFF	#000000	##000000
##188D21	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F0A

Deuteranopia (green-blind)

#84762D

Tritanopia (blue-blind)

#008978

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #188d21;
/* rgb */ color: rgb(24, 141, 33);
/* oklch */ color: oklch(56.1% 0.174 143.6);

Tailwind

colors: {
  custom: {
    50: '#6daf64',
    500: '#188d21',
    950: '#000000',
  },
}

SCSS

$custom: #188d21;
$custom-light: #6daf64;
$custom-dark: #000000;

JSON

{
  "hex": "#188d21",
  "rgb": {
    "r": 24,
    "g": 141,
    "b": 33
  },
  "hsl": {
    "h": 124.615,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56148,
    "c": 0.17423,
    "h": 143.6
  },
  "luminance": 0.19354
}

Semantic roles & 50–950 ramp

primary

#188D21

secondary

#BF42B6

accent

#3AE0EE

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081106

muted

#7B807A

Preview Lab

Preview with #188D21

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

Preview Lab → · Contrast checker → · Palette generator →