#178E2F#178E2F

#178E2F is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.5% C 0.166 H 145.5°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#178E2F
RGB	rgb(23, 142, 47)
HSL	hsl(132, 72%, 32%)
HSV	hsv(132, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 66.9%, 44.3%)
CIE-LAB	lab(51.53, -50.88, 40.57)
CIE-LCH	lch(51.53, 65.08, 141.43°)
OKLab	oklab(56.54% -0.1371 0.0942)
OKLCH	oklch(56.54% 0.166 145.5)
XYZ	xyz(10.5387, 19.7321, 5.9420)
Luminance	0.1973 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E2F #8E1776

analogous

#3A8E17 #178E2F #178E6B

triadic

#178E2F #2F178E #8E2F17

tetradic

#178E2F #173A8E #8E1776 #8E6B17

square

#178E2F #173A8E #8E1776 #8E6B17

split-complementary

#178E2F #6B178E #8E173A

monochromatic

#06250C #0E591E #178E2F #20C340 #3FE060

Accessibility & contrast

On white

4.25

#178E2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#178E2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E2F

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E2F	#FFFFFF	#000000	##000000
##178E2F	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908023

Deuteranopia (green-blind)

#847738

Tritanopia (blue-blind)

#008A7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178e2f;
/* rgb */ color: rgb(23, 142, 47);
/* oklch */ color: oklch(56.5% 0.166 145.5);

Tailwind

colors: {
  custom: {
    50: '#6cb06c',
    500: '#178e2f',
    950: '#000000',
  },
}

SCSS

$custom: #178e2f;
$custom-light: #6cb06c;
$custom-dark: #000000;

JSON

{
  "hex": "#178e2f",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 47
  },
  "hsl": {
    "h": 132.101,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56542,
    "c": 0.1663,
    "h": 145.5
  },
  "luminance": 0.19733
}

Semantic roles & 50–950 ramp

primary

#178E2F

secondary

#C040A7

accent

#39CAEF

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#081107

muted

#7B807A

Preview Lab

Preview with #178E2F

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

Preview Lab → · Contrast checker → · Palette generator →