#178C4D#178C4D

#178C4D is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.4% C 0.137 H 153.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#178C4D
RGB	rgb(23, 140, 77)
HSL	hsl(148, 72%, 32%)
HSV	hsv(148, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 45%, 45.1%)
CIE-LAB	lab(51.24, -45.63, 25.11)
CIE-LCH	lch(51.24, 52.08, 151.18°)
OKLab	oklab(56.42% -0.1226 0.062)
OKLCH	oklch(56.42% 0.137 153.2)
XYZ	xyz(11.0699, 19.4728, 10.1949)
Luminance	0.1947 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C4D #8C1756

analogous

#1C8C17 #178C4D #178C88

triadic

#178C4D #4D178C #8C4D17

tetradic

#178C4D #171C8C #8C1756 #8C8817

square

#178C4D #171C8C #8C1756 #8C8817

split-complementary

#178C4D #88178C #8C171C

monochromatic

#062313 #0E5730 #178C4D #20C16A #3EDF88

Accessibility & contrast

On white

4.29

#178C4D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#178C4D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C4D

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C4D	#FFFFFF	#000000	##000000
##178C4D	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)

#8C8048

Deuteranopia (green-blind)

#7F7651

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178c4d;
/* rgb */ color: rgb(23, 140, 77);
/* oklch */ color: oklch(56.4% 0.137 153.2);

Tailwind

colors: {
  custom: {
    50: '#6baf7f',
    500: '#178c4d',
    950: '#000000',
  },
}

SCSS

$custom: #178c4d;
$custom-light: #6baf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#178c4d",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 77
  },
  "hsl": {
    "h": 147.692,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56418,
    "c": 0.13737,
    "h": 153.2
  },
  "luminance": 0.19474
}

Semantic roles & 50–950 ramp

primary

#178C4D

secondary

#BF3F84

accent

#399BEF

background

#F6FAF7

surface

#ECF5EE

border

#C7CFC9

text

#08100A

muted

#7A7F7C

Preview Lab

Preview with #178C4D

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

Preview Lab → · Contrast checker → · Palette generator →