#178C18#178C18

#178C18 is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.8% C 0.178 H 142.8°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#178C18
RGB	rgb(23, 140, 24)
HSL	hsl(121, 72%, 32%)
HSV	hsv(121, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 82.9%, 45.1%)
CIE-LAB	lab(50.69, -52.24, 48.44)
CIE-LCH	lch(50.69, 71.24, 137.16°)
OKLab	oklab(55.79% -0.1417 0.1076)
OKLCH	oklch(55.79% 0.178 142.8)
XYZ	xyz(9.8957, 19.0031, 4.0104)
Luminance	0.1900 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C18 #8C178B

analogous

#518C17 #178C18 #178C53

triadic

#178C18 #18178C #8C1817

tetradic

#178C18 #17518C #8C178B #8C5317

square

#178C18 #17518C #8C178B #8C5317

split-complementary

#178C18 #53178C #8C1751

monochromatic

#062306 #0E570F #178C18 #20C121 #3EDF3F

Accessibility & contrast

On white

4.37

#178C18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#178C18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C18

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C18	#FFFFFF	#000000	##000000
##178C18	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#837527

Tritanopia (blue-blind)

#008877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178c18;
/* rgb */ color: rgb(23, 140, 24);
/* oklch */ color: oklch(55.8% 0.178 142.8);

Tailwind

colors: {
  custom: {
    50: '#6daf60',
    500: '#178c18',
    950: '#000000',
  },
}

SCSS

$custom: #178c18;
$custom-light: #6daf60;
$custom-dark: #000000;

JSON

{
  "hex": "#178c18",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 24
  },
  "hsl": {
    "h": 120.513,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.5579,
    "c": 0.17798,
    "h": 142.8
  },
  "luminance": 0.19004
}

Semantic roles & 50–950 ramp

primary

#178C18

secondary

#BF3FBE

accent

#39EDEF

background

#F7FAF5

surface

#EDF5EA

border

#C8CFC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #178C18

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

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