#178D3C#178D3C

#178D3C is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.4% C 0.154 H 148.1°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#178D3C
RGB	rgb(23, 141, 60)
HSL	hsl(139, 72%, 32%)
HSV	hsv(139, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 57.4%, 44.7%)
CIE-LAB	lab(51.33, -48.85, 34.16)
CIE-LCH	lch(51.33, 59.61, 145.04°)
OKLab	oklab(56.42% -0.1312 0.0815)
OKLCH	oklch(56.42% 0.154 148.1)
XYZ	xyz(10.6930, 19.5568, 7.4854)
Luminance	0.1956 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D3C #8D1768

analogous

#2D8D17 #178D3C #178D77

triadic

#178D3C #3C178D #8D3C17

tetradic

#178D3C #172D8D #8D1768 #8D7717

square

#178D3C #172D8D #8D1768 #8D7717

split-complementary

#178D3C #77178D #8D172D

monochromatic

#06240F #0E5826 #178D3C #20C252 #3FE071

Accessibility & contrast

On white

4.28

#178D3C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#178D3C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D3C

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D3C	#FFFFFF	#000000	##000000
##178D3C	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8034

Deuteranopia (green-blind)

#827742

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d3c;
/* rgb */ color: rgb(23, 141, 60);
/* oklch */ color: oklch(56.4% 0.154 148.1);

Tailwind

colors: {
  custom: {
    50: '#6baf74',
    500: '#178d3c',
    950: '#000000',
  },
}

SCSS

$custom: #178d3c;
$custom-light: #6baf74;
$custom-dark: #000000;

JSON

{
  "hex": "#178d3c",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 60
  },
  "hsl": {
    "h": 138.814,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.5642,
    "c": 0.15444,
    "h": 148.1
  },
  "luminance": 0.19558
}

Semantic roles & 50–950 ramp

primary

#178D3C

secondary

#C04098

accent

#39B6EF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081108

muted

#7B807B

Preview Lab

Preview with #178D3C

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

Preview Lab → · Contrast checker → · Palette generator →