#178D4A#178D4A

#178D4A is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.6% C 0.142 H 152.0°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#178D4A
RGB	rgb(23, 141, 74)
HSL	hsl(146, 72%, 32%)
HSV	hsv(146, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 47.5%, 44.7%)
CIE-LAB	lab(51.52, -46.56, 27.10)
CIE-LCH	lch(51.52, 53.87, 149.80°)
OKLab	oklab(56.64% -0.125 0.0665)
OKLCH	oklch(56.64% 0.142 152)
XYZ	xyz(11.1132, 19.7249, 9.6988)
Luminance	0.1973 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D4A #8D175A

analogous

#1F8D17 #178D4A #178D85

triadic

#178D4A #4A178D #8D4A17

tetradic

#178D4A #171F8D #8D175A #8D8517

square

#178D4A #171F8D #8D175A #8D8517

split-complementary

#178D4A #85178D #8D171F

monochromatic

#062413 #0E582E #178D4A #20C266 #3FE084

Accessibility & contrast

On white

4.25

#178D4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#178D4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D4A

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D4A	#FFFFFF	#000000	##000000
##178D4A	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)

#8D8045

Deuteranopia (green-blind)

#80774F

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178d4a;
/* rgb */ color: rgb(23, 141, 74);
/* oklch */ color: oklch(56.6% 0.142 152.0);

Tailwind

colors: {
  custom: {
    50: '#6baf7d',
    500: '#178d4a',
    950: '#000000',
  },
}

SCSS

$custom: #178d4a;
$custom-light: #6baf7d;
$custom-dark: #000000;

JSON

{
  "hex": "#178d4a",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 74
  },
  "hsl": {
    "h": 145.932,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56642,
    "c": 0.14156,
    "h": 152
  },
  "luminance": 0.19726
}

Semantic roles & 50–950 ramp

primary

#178D4A

secondary

#C04089

accent

#39A0EF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #178D4A

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

Preview Lab → · Contrast checker → · Palette generator →