#178C17#178C17

#178C17 is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.8% C 0.178 H 142.7°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#178C17
RGB	rgb(23, 140, 23)
HSL	hsl(120, 72%, 32%)
HSV	hsv(120, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 83.6%, 45.1%)
CIE-LAB	lab(50.69, -52.30, 48.73)
CIE-LCH	lch(50.69, 71.49, 137.02°)
OKLab	oklab(55.78% -0.1419 0.1081)
OKLCH	oklch(55.78% 0.178 142.7)
XYZ	xyz(9.8855, 18.9990, 3.9566)
Luminance	0.1900 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C17 #8C178C

analogous

#528C17 #178C17 #178C52

triadic

#178C17 #17178C #8C1717

tetradic

#178C17 #17528C #8C178C #8C5217

square

#178C17 #17528C #8C178C #8C5217

split-complementary

#178C17 #52178C #8C1752

monochromatic

#062306 #0E570E #178C17 #20C120 #3EDF3E

Accessibility & contrast

On white

4.38

#178C17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#178C17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C17

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C17	#FFFFFF	#000000	##000000
##178C17	1.00	4.38	4.80	4.80
#FFFFFF	4.38	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)

#837526

Tritanopia (blue-blind)

#008877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178c17;
/* rgb */ color: rgb(23, 140, 23);
/* oklch */ color: oklch(55.8% 0.178 142.7);

Tailwind

colors: {
  custom: {
    50: '#6daf5f',
    500: '#178c17',
    950: '#000000',
  },
}

SCSS

$custom: #178c17;
$custom-light: #6daf5f;
$custom-dark: #000000;

JSON

{
  "hex": "#178c17",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 23
  },
  "hsl": {
    "h": 120,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55784,
    "c": 0.17842,
    "h": 142.7
  },
  "luminance": 0.19
}

Semantic roles & 50–950 ramp

primary

#178C17

secondary

#BF3FBF

accent

#39EFEF

background

#F7FAF5

surface

#EDF5EA

border

#C8CFC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #178C17

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

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