#178D4B#178D4B

#178D4B is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.7% C 0.141 H 152.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#178D4B
RGB	rgb(23, 141, 75)
HSL	hsl(146, 72%, 32%)
HSV	hsv(146, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 46.8%, 44.7%)
CIE-LAB	lab(51.54, -46.38, 26.58)
CIE-LCH	lch(51.54, 53.46, 150.18°)
OKLab	oklab(56.66% -0.1245 0.0653)
OKLCH	oklch(56.66% 0.141 152.3)
XYZ	xyz(11.1472, 19.7385, 9.8777)
Luminance	0.1974 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D4B #8D1759

analogous

#1E8D17 #178D4B #178D86

triadic

#178D4B #4B178D #8D4B17

tetradic

#178D4B #171E8D #8D1759 #8D8617

square

#178D4B #171E8D #8D1759 #8D8617

split-complementary

#178D4B #86178D #8D171E

monochromatic

#062413 #0E582F #178D4B #20C267 #3FE086

Accessibility & contrast

On white

4.24

#178D4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#178D4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D4B

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D4B	#FFFFFF	#000000	##000000
##178D4B	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)

#8D8046

Deuteranopia (green-blind)

#807750

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178d4b;
/* rgb */ color: rgb(23, 141, 75);
/* oklch */ color: oklch(56.7% 0.141 152.3);

Tailwind

colors: {
  custom: {
    50: '#6baf7e',
    500: '#178d4b',
    950: '#000000',
  },
}

SCSS

$custom: #178d4b;
$custom-light: #6baf7e;
$custom-dark: #000000;

JSON

{
  "hex": "#178d4b",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 75
  },
  "hsl": {
    "h": 146.441,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.5666,
    "c": 0.14061,
    "h": 152.3
  },
  "luminance": 0.1974
}

Semantic roles & 50–950 ramp

primary

#178D4B

secondary

#C04087

accent

#399FEF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #178D4B

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

Preview Lab → · Contrast checker → · Palette generator →