#178C1C#178C1C

#178C1C is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.8% C 0.176 H 143.1°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#178C1C
RGB	rgb(23, 140, 28)
HSL	hsl(123, 72%, 32%)
HSV	hsv(123, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 80%, 45.1%)
CIE-LAB	lab(50.71, -51.98, 47.20)
CIE-LCH	lch(50.71, 70.21, 137.76°)
OKLab	oklab(55.81% -0.1409 0.1056)
OKLCH	oklch(55.81% 0.176 143.1)
XYZ	xyz(9.9404, 19.0209, 4.2459)
Luminance	0.1902 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C1C #8C1787

analogous

#4D8C17 #178C1C #178C57

triadic

#178C1C #1C178C #8C1C17

tetradic

#178C1C #174D8C #8C1787 #8C5717

square

#178C1C #174D8C #8C1787 #8C5717

split-complementary

#178C1C #57178C #8C174D

monochromatic

#062307 #0E5711 #178C1C #20C127 #3EDF45

Accessibility & contrast

On white

4.37

#178C1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#178C1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C1C

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C1C	#FFFFFF	#000000	##000000
##178C1C	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)

#837529

Tritanopia (blue-blind)

#008877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178c1c;
/* rgb */ color: rgb(23, 140, 28);
/* oklch */ color: oklch(55.8% 0.176 143.1);

Tailwind

colors: {
  custom: {
    50: '#6daf62',
    500: '#178c1c',
    950: '#000000',
  },
}

SCSS

$custom: #178c1c;
$custom-light: #6daf62;
$custom-dark: #000000;

JSON

{
  "hex": "#178c1c",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 28
  },
  "hsl": {
    "h": 122.564,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55814,
    "c": 0.17606,
    "h": 143.1
  },
  "luminance": 0.19022
}

Semantic roles & 50–950 ramp

primary

#178C1C

secondary

#BF3FBA

accent

#39E7EF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081005

muted

#7B7F7A

Preview Lab

Preview with #178C1C

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

Preview Lab → · Contrast checker → · Palette generator →