#178D4F#178D4F

#178D4F is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.7% C 0.137 H 153.7°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#178D4F
RGB	rgb(23, 141, 79)
HSL	hsl(148, 72%, 32%)
HSV	hsv(148, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 44%, 44.7%)
CIE-LAB	lab(51.60, -45.63, 24.49)
CIE-LCH	lch(51.60, 51.78, 151.77°)
OKLab	oklab(56.73% -0.1226 0.0606)
OKLCH	oklch(56.73% 0.137 153.7)
XYZ	xyz(11.2884, 19.7950, 10.6215)
Luminance	0.1980 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D4F #8D1755

analogous

#1A8D17 #178D4F #178D8A

triadic

#178D4F #4F178D #8D4F17

tetradic

#178D4F #171A8D #8D1755 #8D8A17

square

#178D4F #171A8D #8D1755 #8D8A17

split-complementary

#178D4F #8A178D #8D171A

monochromatic

#062414 #0E5832 #178D4F #20C26C #3FE08B

Accessibility & contrast

On white

4.23

#178D4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#178D4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D4F

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D4F	#FFFFFF	#000000	##000000
##178D4F	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D814A

Deuteranopia (green-blind)

#807753

Tritanopia (blue-blind)

#008B7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178d4f;
/* rgb */ color: rgb(23, 141, 79);
/* oklch */ color: oklch(56.7% 0.137 153.7);

Tailwind

colors: {
  custom: {
    50: '#6baf81',
    500: '#178d4f',
    950: '#000000',
  },
}

SCSS

$custom: #178d4f;
$custom-light: #6baf81;
$custom-dark: #000000;

JSON

{
  "hex": "#178d4f",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 79
  },
  "hsl": {
    "h": 148.475,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56734,
    "c": 0.13679,
    "h": 153.7
  },
  "luminance": 0.19796
}

Semantic roles & 50–950 ramp

primary

#178D4F

secondary

#C04083

accent

#3999EF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #178D4F

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

Preview Lab → · Contrast checker → · Palette generator →