#178D3F#178D3F

#178D3F is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.5% C 0.152 H 148.9°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#178D3F
RGB	rgb(23, 141, 63)
HSL	hsl(140, 72%, 32%)
HSV	hsv(140, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 55.3%, 44.7%)
CIE-LAB	lab(51.37, -48.40, 32.69)
CIE-LCH	lch(51.37, 58.40, 145.97°)
OKLab	oklab(56.46% -0.1299 0.0785)
OKLCH	oklch(56.46% 0.152 148.9)
XYZ	xyz(10.7745, 19.5895, 7.9149)
Luminance	0.1959 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D3F #8D1765

analogous

#2A8D17 #178D3F #178D7A

triadic

#178D3F #3F178D #8D3F17

tetradic

#178D3F #172A8D #8D1765 #8D7A17

square

#178D3F #172A8D #8D1765 #8D7A17

split-complementary

#178D3F #7A178D #8D172A

monochromatic

#062410 #0E5827 #178D3F #20C257 #3FE075

Accessibility & contrast

On white

4.27

#178D3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#178D3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D3F

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D3F	#FFFFFF	#000000	##000000
##178D3F	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8038

Deuteranopia (green-blind)

#817745

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d3f;
/* rgb */ color: rgb(23, 141, 63);
/* oklch */ color: oklch(56.5% 0.152 148.9);

Tailwind

colors: {
  custom: {
    50: '#6baf76',
    500: '#178d3f',
    950: '#000000',
  },
}

SCSS

$custom: #178d3f;
$custom-light: #6baf76;
$custom-dark: #000000;

JSON

{
  "hex": "#178d3f",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 63
  },
  "hsl": {
    "h": 140.339,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56463,
    "c": 0.15178,
    "h": 148.9
  },
  "luminance": 0.19591
}

Semantic roles & 50–950 ramp

primary

#178D3F

secondary

#C04095

accent

#39B1EF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #178D3F

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

Preview Lab → · Contrast checker → · Palette generator →