#178C5A#178C5A

#178C5A is a mid, vivid teal. Relative luminance 0.197; OKLCH L 56.7% C 0.125 H 158.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#178C5A
RGB	rgb(23, 140, 90)
HSL	hsl(154, 72%, 32%)
HSV	hsv(154, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 35.7%, 45.1%)
CIE-LAB	lab(51.47, -42.97, 18.20)
CIE-LCH	lch(51.47, 46.66, 157.04°)
OKLab	oklab(56.69% -0.1163 0.0458)
OKLCH	oklch(56.69% 0.125 158.5)
XYZ	xyz(11.5757, 19.6751, 12.8585)
Luminance	0.1968 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C5A #8C1749

analogous

#178C20 #178C5A #17848C

triadic

#178C5A #5A178C #8C5A17

tetradic

#178C5A #20178C #8C1749 #848C17

square

#178C5A #20178C #8C1749 #848C17

split-complementary

#178C5A #8C1784 #8C2017

monochromatic

#062316 #0E5738 #178C5A #20C17C #3EDF9A

Accessibility & contrast

On white

4.25

#178C5A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#178C5A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C5A

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C5A	#FFFFFF	#000000	##000000
##178C5A	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8057

Deuteranopia (green-blind)

#7D775D

Tritanopia (blue-blind)

#008B7F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178c5a;
/* rgb */ color: rgb(23, 140, 90);
/* oklch */ color: oklch(56.7% 0.125 158.5);

Tailwind

colors: {
  custom: {
    50: '#6bae89',
    500: '#178c5a',
    950: '#000000',
  },
}

SCSS

$custom: #178c5a;
$custom-light: #6bae89;
$custom-dark: #000000;

JSON

{
  "hex": "#178c5a",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 90
  },
  "hsl": {
    "h": 154.359,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56686,
    "c": 0.12497,
    "h": 158.5
  },
  "luminance": 0.19677
}

Semantic roles & 50–950 ramp

primary

#178C5A

secondary

#BF3F76

accent

#3987EF

background

#F6FAF8

surface

#ECF4F0

border

#C7CECB

text

#08100B

muted

#7A7F7C

Preview Lab

Preview with #178C5A

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

Preview Lab → · Contrast checker → · Palette generator →