#178C4C#178C4C

#178C4C is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.4% C 0.138 H 152.8°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#178C4C
RGB	rgb(23, 140, 76)
HSL	hsl(147, 72%, 32%)
HSV	hsv(147, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 45.7%, 45.1%)
CIE-LAB	lab(51.22, -45.82, 25.63)
CIE-LCH	lch(51.22, 52.50, 150.78°)
OKLab	oklab(56.4% -0.1231 0.0631)
OKLCH	oklch(56.4% 0.138 152.8)
XYZ	xyz(11.0349, 19.4588, 10.0104)
Luminance	0.1946 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C4C #8C1757

analogous

#1D8C17 #178C4C #178C86

triadic

#178C4C #4C178C #8C4C17

tetradic

#178C4C #171D8C #8C1757 #8C8617

square

#178C4C #171D8C #8C1757 #8C8617

split-complementary

#178C4C #86178C #8C171D

monochromatic

#062313 #0E572F #178C4C #20C169 #3EDF87

Accessibility & contrast

On white

4.29

#178C4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#178C4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C4C

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C4C	#FFFFFF	#000000	##000000
##178C4C	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8047

Deuteranopia (green-blind)

#7F7650

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178c4c;
/* rgb */ color: rgb(23, 140, 76);
/* oklch */ color: oklch(56.4% 0.138 152.8);

Tailwind

colors: {
  custom: {
    50: '#6baf7f',
    500: '#178c4c',
    950: '#000000',
  },
}

SCSS

$custom: #178c4c;
$custom-light: #6baf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#178c4c",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 76
  },
  "hsl": {
    "h": 147.179,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.564,
    "c": 0.13833,
    "h": 152.8
  },
  "luminance": 0.1946
}

Semantic roles & 50–950 ramp

primary

#178C4C

secondary

#BF3F85

accent

#399CEF

background

#F6FAF7

surface

#ECF5EE

border

#C7CFC9

text

#08100A

muted

#7A7F7C

Preview Lab

Preview with #178C4C

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

Preview Lab → · Contrast checker → · Palette generator →