#178B59#178B59

#178B59 is a mid, vivid teal. Relative luminance 0.194; OKLCH L 56.4% C 0.125 H 158.3°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#178B59
RGB	rgb(23, 139, 89)
HSL	hsl(154, 72%, 32%)
HSV	hsv(154, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 36%, 45.5%)
CIE-LAB	lab(51.11, -42.79, 18.29)
CIE-LCH	lch(51.11, 46.53, 156.86°)
OKLab	oklab(56.39% -0.1157 0.046)
OKLCH	oklch(56.39% 0.125 158.3)
XYZ	xyz(11.3879, 19.3672, 12.5873)
Luminance	0.1937 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B59 #8B1749

analogous

#178B1F #178B59 #17838B

triadic

#178B59 #59178B #8B5917

tetradic

#178B59 #1F178B #8B1749 #838B17

square

#178B59 #1F178B #8B1749 #838B17

split-complementary

#178B59 #8B1783 #8B1F17

monochromatic

#062216 #0E5637 #178B59 #20C07B #3DDF99

Accessibility & contrast

On white

4.31

#178B59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#178B59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B59

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B59	#FFFFFF	#000000	##000000
##178B59	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7F56

Deuteranopia (green-blind)

#7C765C

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178b59;
/* rgb */ color: rgb(23, 139, 89);
/* oklch */ color: oklch(56.4% 0.125 158.3);

Tailwind

colors: {
  custom: {
    50: '#6aae88',
    500: '#178b59',
    950: '#000000',
  },
}

SCSS

$custom: #178b59;
$custom-light: #6aae88;
$custom-dark: #000000;

JSON

{
  "hex": "#178b59",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 89
  },
  "hsl": {
    "h": 154.138,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56388,
    "c": 0.12457,
    "h": 158.3
  },
  "luminance": 0.19369
}

Semantic roles & 50–950 ramp

primary

#178B59

secondary

#BF3F76

accent

#3987EE

background

#F6FAF8

surface

#ECF4EF

border

#C7CECA

text

#08100B

muted

#7A7F7C

Preview Lab

Preview with #178B59

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

Preview Lab → · Contrast checker → · Palette generator →