#178D5A#178D5A

#178D5A is a mid, vivid teal. Relative luminance 0.200; OKLCH L 57.0% C 0.126 H 158.2°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#178D5A
RGB	rgb(23, 141, 90)
HSL	hsl(154, 72%, 32%)
HSV	hsv(154, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 36.2%, 44.7%)
CIE-LAB	lab(51.80, -43.36, 18.65)
CIE-LCH	lch(51.80, 47.21, 156.73°)
OKLab	oklab(56.96% -0.1173 0.0469)
OKLCH	oklch(56.96% 0.126 158.2)
XYZ	xyz(11.7225, 19.9686, 12.9074)
Luminance	0.1997 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D5A #8D174A

analogous

#178D1F #178D5A #17858D

triadic

#178D5A #5A178D #8D5A17

tetradic

#178D5A #1F178D #8D174A #858D17

square

#178D5A #1F178D #8D174A #858D17

split-complementary

#178D5A #8D1785 #8D1F17

monochromatic

#062417 #0E5838 #178D5A #20C27C #3FE09A

Accessibility & contrast

On white

4.21

#178D5A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#178D5A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D5A

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D5A	#FFFFFF	#000000	##000000
##178D5A	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8157

Deuteranopia (green-blind)

#7E785D

Tritanopia (blue-blind)

#008C80

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178d5a;
/* rgb */ color: rgb(23, 141, 90);
/* oklch */ color: oklch(57.0% 0.126 158.2);

Tailwind

colors: {
  custom: {
    50: '#6baf89',
    500: '#178d5a',
    950: '#000000',
  },
}

SCSS

$custom: #178d5a;
$custom-light: #6baf89;
$custom-dark: #000000;

JSON

{
  "hex": "#178d5a",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 90
  },
  "hsl": {
    "h": 154.068,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56962,
    "c": 0.12631,
    "h": 158.2
  },
  "luminance": 0.1997
}

Semantic roles & 50–950 ramp

primary

#178D5A

secondary

#C04077

accent

#3988EF

background

#F7FAF8

surface

#EDF5F0

border

#C8CFCB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #178D5A

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

Preview Lab → · Contrast checker → · Palette generator →