#178F57#178F57

#178F57 is a mid, vivid teal. Relative luminance 0.205; OKLCH L 57.4% C 0.132 H 156.3°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#178F57
RGB	rgb(23, 143, 87)
HSL	hsl(152, 72%, 33%)
HSV	hsv(152, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 39.2%, 43.9%)
CIE-LAB	lab(52.41, -44.79, 21.15)
CIE-LCH	lch(52.41, 49.53, 154.72°)
OKLab	oklab(57.45% -0.1207 0.0529)
OKLCH	oklch(57.45% 0.132 156.3)
XYZ	xyz(11.8949, 20.5137, 12.3476)
Luminance	0.2051 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F57 #8F174F

analogous

#178F1B #178F57 #178B8F

triadic

#178F57 #57178F #8F5717

tetradic

#178F57 #1B178F #8F174F #8B8F17

square

#178F57 #1B178F #8F174F #8B8F17

split-complementary

#178F57 #8F178B #8F1B17

monochromatic

#062617 #0F5A37 #178F57 #1FC477 #40E096

Accessibility & contrast

On white

4.12

#178F57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#178F57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F57

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F57	#FFFFFF	#000000	##000000
##178F57	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8353

Deuteranopia (green-blind)

#81795B

Tritanopia (blue-blind)

#008E81

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #178f57;
/* rgb */ color: rgb(23, 143, 87);
/* oklch */ color: oklch(57.4% 0.132 156.3);

Tailwind

colors: {
  custom: {
    50: '#6bb187',
    500: '#178f57',
    950: '#000000',
  },
}

SCSS

$custom: #178f57;
$custom-light: #6bb187;
$custom-dark: #000000;

JSON

{
  "hex": "#178f57",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 87
  },
  "hsl": {
    "h": 152,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57448,
    "c": 0.13182,
    "h": 156.3
  },
  "luminance": 0.20515
}

Semantic roles & 50–950 ramp

primary

#178F57

secondary

#C1417D

accent

#398EEF

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#08110B

muted

#7B807C

Preview Lab

Preview with #178F57

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

Preview Lab → · Contrast checker → · Palette generator →