#178D4C#178D4C

#178D4C is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.7% C 0.140 H 152.7°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#178D4C
RGB	rgb(23, 141, 76)
HSL	hsl(147, 72%, 32%)
HSV	hsv(147, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 46.1%, 44.7%)
CIE-LAB	lab(51.56, -46.19, 26.06)
CIE-LCH	lch(51.56, 53.04, 150.57°)
OKLab	oklab(56.68% -0.1241 0.0641)
OKLCH	oklch(56.68% 0.14 152.7)
XYZ	xyz(11.1817, 19.7523, 10.0593)
Luminance	0.1975 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D4C #8D1758

analogous

#1D8D17 #178D4C #178D87

triadic

#178D4C #4C178D #8D4C17

tetradic

#178D4C #171D8D #8D1758 #8D8717

square

#178D4C #171D8D #8D1758 #8D8717

split-complementary

#178D4C #87178D #8D171D

monochromatic

#062413 #0E5830 #178D4C #20C268 #3FE087

Accessibility & contrast

On white

4.24

#178D4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#178D4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D4C

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D4C	#FFFFFF	#000000	##000000
##178D4C	1.00	4.24	4.95	4.95
#FFFFFF	4.24	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)

#8D8047

Deuteranopia (green-blind)

#807751

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178d4c;
/* rgb */ color: rgb(23, 141, 76);
/* oklch */ color: oklch(56.7% 0.140 152.7);

Tailwind

colors: {
  custom: {
    50: '#6baf7f',
    500: '#178d4c',
    950: '#000000',
  },
}

SCSS

$custom: #178d4c;
$custom-light: #6baf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#178d4c",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 76
  },
  "hsl": {
    "h": 146.949,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56678,
    "c": 0.13966,
    "h": 152.7
  },
  "luminance": 0.19754
}

Semantic roles & 50–950 ramp

primary

#178D4C

secondary

#C04086

accent

#399DEF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #178D4C

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

Preview Lab → · Contrast checker → · Palette generator →