#178A5C#178A5C

#178A5C is a mid, vivid teal. Relative luminance 0.191; OKLCH L 56.2% C 0.120 H 160.1°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#178A5C
RGB	rgb(23, 138, 92)
HSL	hsl(156, 71%, 32%)
HSV	hsv(156, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 33.3%, 45.9%)
CIE-LAB	lab(50.84, -41.72, 16.21)
CIE-LCH	lch(50.84, 44.76, 158.76°)
OKLab	oklab(56.18% -0.1132 0.041)
OKLCH	oklch(56.18% 0.12 160.1)
XYZ	xyz(11.3724, 19.1304, 13.2163)
Luminance	0.1913 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A5C #8A1745

analogous

#178A23 #178A5C #177F8A

triadic

#178A5C #5C178A #8A5C17

tetradic

#178A5C #23178A #8A1745 #7F8A17

square

#178A5C #23178A #8A1745 #7F8A17

split-complementary

#178A5C #8A177F #8A2317

monochromatic

#062116 #0E5639 #178A5C #20BE7F #3DDF9E

Accessibility & contrast

On white

4.35

#178A5C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#178A5C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A5C

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A5C	#FFFFFF	#000000	##000000
##178A5C	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#887F59

Deuteranopia (green-blind)

#7B755F

Tritanopia (blue-blind)

#00897E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178a5c;
/* rgb */ color: rgb(23, 138, 92);
/* oklch */ color: oklch(56.2% 0.120 160.1);

Tailwind

colors: {
  custom: {
    50: '#6aad8a',
    500: '#178a5c',
    950: '#000000',
  },
}

SCSS

$custom: #178a5c;
$custom-light: #6aad8a;
$custom-dark: #000000;

JSON

{
  "hex": "#178a5c",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 92
  },
  "hsl": {
    "h": 156,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56181,
    "c": 0.12044,
    "h": 160.1
  },
  "luminance": 0.19132
}

Semantic roles & 50–950 ramp

primary

#178A5C

secondary

#BE3F72

accent

#3A82EE

background

#F6FAF8

surface

#ECF4F0

border

#C7CECB

text

#08100B

muted

#7A7F7C

Preview Lab

Preview with #178A5C

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

Preview Lab → · Contrast checker → · Palette generator →