#178D5B#178D5B

#178D5B is a mid, vivid teal. Relative luminance 0.200; OKLCH L 57.0% C 0.125 H 158.7°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#178D5B
RGB	rgb(23, 141, 91)
HSL	hsl(155, 72%, 32%)
HSV	hsv(155, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 35.5%, 44.7%)
CIE-LAB	lab(51.82, -43.15, 18.12)
CIE-LCH	lch(51.82, 46.79, 157.22°)
OKLab	oklab(56.98% -0.1168 0.0456)
OKLCH	oklch(56.98% 0.125 158.7)
XYZ	xyz(11.7653, 19.9858, 13.1331)
Luminance	0.1999 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D5B #8D1749

analogous

#178D20 #178D5B #17848D

triadic

#178D5B #5B178D #8D5B17

tetradic

#178D5B #20178D #8D1749 #848D17

square

#178D5B #20178D #8D1749 #848D17

split-complementary

#178D5B #8D1784 #8D2017

monochromatic

#062417 #0E5839 #178D5B #20C27D #3FE09B

Accessibility & contrast

On white

4.20

#178D5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#178D5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D5B

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D5B	#FFFFFF	#000000	##000000
##178D5B	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8158

Deuteranopia (green-blind)

#7E785E

Tritanopia (blue-blind)

#008C80

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178d5b;
/* rgb */ color: rgb(23, 141, 91);
/* oklch */ color: oklch(57.0% 0.125 158.7);

Tailwind

colors: {
  custom: {
    50: '#6baf89',
    500: '#178d5b',
    950: '#000000',
  },
}

SCSS

$custom: #178d5b;
$custom-light: #6baf89;
$custom-dark: #000000;

JSON

{
  "hex": "#178d5b",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 91
  },
  "hsl": {
    "h": 154.576,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56984,
    "c": 0.12537,
    "h": 158.7
  },
  "luminance": 0.19987
}

Semantic roles & 50–950 ramp

primary

#178D5B

secondary

#C04076

accent

#3986EF

background

#F7FAF8

surface

#EDF5F0

border

#C8CFCB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #178D5B

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

Preview Lab → · Contrast checker → · Palette generator →