#178F5A#178F5A

#178F5A is a mid, vivid teal. Relative luminance 0.206; OKLCH L 57.5% C 0.129 H 157.6°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#178F5A
RGB	rgb(23, 143, 90)
HSL	hsl(154, 72%, 33%)
HSV	hsv(154, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 37.1%, 43.9%)
CIE-LAB	lab(52.47, -44.15, 19.55)
CIE-LCH	lch(52.47, 48.29, 156.12°)
OKLab	oklab(57.51% -0.1193 0.0491)
OKLCH	oklch(57.51% 0.129 157.6)
XYZ	xyz(12.0200, 20.5638, 13.0066)
Luminance	0.2056 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F5A #8F174C

analogous

#178F1E #178F5A #17888F

triadic

#178F5A #5A178F #8F5A17

tetradic

#178F5A #1E178F #8F174C #888F17

square

#178F5A #1E178F #8F174C #888F17

split-complementary

#178F5A #8F1788 #8F1E17

monochromatic

#062618 #0F5A39 #178F5A #1FC47B #40E09A

Accessibility & contrast

On white

4.11

#178F5A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#178F5A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F5A

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F5A	#FFFFFF	#000000	##000000
##178F5A	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8357

Deuteranopia (green-blind)

#80795E

Tritanopia (blue-blind)

#008E81

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #178f5a;
/* rgb */ color: rgb(23, 143, 90);
/* oklch */ color: oklch(57.5% 0.129 157.6);

Tailwind

colors: {
  custom: {
    50: '#6bb189',
    500: '#178f5a',
    950: '#000000',
  },
}

SCSS

$custom: #178f5a;
$custom-light: #6bb189;
$custom-dark: #000000;

JSON

{
  "hex": "#178f5a",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 90
  },
  "hsl": {
    "h": 153.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57512,
    "c": 0.12898,
    "h": 157.6
  },
  "luminance": 0.20565
}

Semantic roles & 50–950 ramp

primary

#178F5A

secondary

#C14179

accent

#3989EF

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#08110B

muted

#7B807C

Preview Lab

Preview with #178F5A

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

Preview Lab → · Contrast checker → · Palette generator →