#178A56#178A56

#178A56 is a mid, vivid teal. Relative luminance 0.190; OKLCH L 56.0% C 0.126 H 157.2°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#178A56
RGB	rgb(23, 138, 86)
HSL	hsl(153, 71%, 32%)
HSV	hsv(153, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 37.7%, 45.9%)
CIE-LAB	lab(50.72, -43.05, 19.44)
CIE-LCH	lch(50.72, 47.23, 155.69°)
OKLab	oklab(56.05% -0.1162 0.0488)
OKLCH	oklch(56.05% 0.126 157.2)
XYZ	xyz(11.1204, 19.0296, 11.8893)
Luminance	0.1903 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A56 #8A174B

analogous

#178A1D #178A56 #17858A

triadic

#178A56 #56178A #8A5617

tetradic

#178A56 #1D178A #8A174B #858A17

square

#178A56 #1D178A #8A174B #858A17

split-complementary

#178A56 #8A1785 #8A1D17

monochromatic

#062115 #0E5635 #178A56 #20BE77 #3DDF95

Accessibility & contrast

On white

4.37

#178A56 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#178A56 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A56

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A56	#FFFFFF	#000000	##000000
##178A56	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897E53

Deuteranopia (green-blind)

#7C7559

Tritanopia (blue-blind)

#00897D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178a56;
/* rgb */ color: rgb(23, 138, 86);
/* oklch */ color: oklch(56.0% 0.126 157.2);

Tailwind

colors: {
  custom: {
    50: '#6aad86',
    500: '#178a56',
    950: '#000000',
  },
}

SCSS

$custom: #178a56;
$custom-light: #6aad86;
$custom-dark: #000000;

JSON

{
  "hex": "#178a56",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 86
  },
  "hsl": {
    "h": 152.87,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56045,
    "c": 0.12606,
    "h": 157.2
  },
  "luminance": 0.19031
}

Semantic roles & 50–950 ramp

primary

#178A56

secondary

#BE3F78

accent

#3A8BEE

background

#F6FAF8

surface

#ECF4EF

border

#C7CECA

text

#08100B

muted

#7A7F7C

Preview Lab

Preview with #178A56

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

Preview Lab → · Contrast checker → · Palette generator →