#178E55#178E55

#178E55 is a mid, vivid teal. Relative luminance 0.202; OKLCH L 57.1% C 0.132 H 155.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#178E55
RGB	rgb(23, 142, 85)
HSL	hsl(151, 72%, 32%)
HSV	hsv(151, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 40.1%, 44.3%)
CIE-LAB	lab(52.04, -44.81, 21.76)
CIE-LCH	lch(52.04, 49.82, 154.10°)
OKLab	oklab(57.13% -0.1207 0.0543)
OKLCH	oklch(57.13% 0.132 155.8)
XYZ	xyz(11.6649, 20.1826, 11.8734)
Luminance	0.2018 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E55 #8E1750

analogous

#178E1A #178E55 #178B8E

triadic

#178E55 #55178E #8E5517

tetradic

#178E55 #1A178E #8E1750 #8B8E17

square

#178E55 #1A178E #8E1750 #8B8E17

split-complementary

#178E55 #8E178B #8E1A17

monochromatic

#062516 #0E5935 #178E55 #20C375 #3FE093

Accessibility & contrast

On white

4.17

#178E55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#178E55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E55

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E55	#FFFFFF	#000000	##000000
##178E55	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8251

Deuteranopia (green-blind)

#807859

Tritanopia (blue-blind)

#008D80

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178e55;
/* rgb */ color: rgb(23, 142, 85);
/* oklch */ color: oklch(57.1% 0.132 155.8);

Tailwind

colors: {
  custom: {
    50: '#6bb085',
    500: '#178e55',
    950: '#000000',
  },
}

SCSS

$custom: #178e55;
$custom-light: #6bb085;
$custom-dark: #000000;

JSON

{
  "hex": "#178e55",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 85
  },
  "hsl": {
    "h": 151.261,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.57131,
    "c": 0.13238,
    "h": 155.8
  },
  "luminance": 0.20184
}

Semantic roles & 50–950 ramp

primary

#178E55

secondary

#C0407E

accent

#3990EF

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08110B

muted

#7B807C

Preview Lab

Preview with #178E55

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

Preview Lab → · Contrast checker → · Palette generator →