#178C5B#178C5B

#178C5B is a mid, vivid teal. Relative luminance 0.197; OKLCH L 56.7% C 0.124 H 159.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#178C5B
RGB	rgb(23, 140, 91)
HSL	hsl(155, 72%, 32%)
HSV	hsv(155, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 35%, 45.1%)
CIE-LAB	lab(51.49, -42.75, 17.66)
CIE-LCH	lch(51.49, 46.25, 157.55°)
OKLab	oklab(56.71% -0.1158 0.0445)
OKLCH	oklch(56.71% 0.124 159)
XYZ	xyz(11.6185, 19.6922, 13.0841)
Luminance	0.1969 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C5B #8C1748

analogous

#178C21 #178C5B #17838C

triadic

#178C5B #5B178C #8C5B17

tetradic

#178C5B #21178C #8C1748 #838C17

square

#178C5B #21178C #8C1748 #838C17

split-complementary

#178C5B #8C1783 #8C2117

monochromatic

#062317 #0E5739 #178C5B #20C17D #3EDF9C

Accessibility & contrast

On white

4.25

#178C5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#178C5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C5B

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C5B	#FFFFFF	#000000	##000000
##178C5B	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8058

Deuteranopia (green-blind)

#7D775E

Tritanopia (blue-blind)

#008B7F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178c5b;
/* rgb */ color: rgb(23, 140, 91);
/* oklch */ color: oklch(56.7% 0.124 159.0);

Tailwind

colors: {
  custom: {
    50: '#6bae89',
    500: '#178c5b',
    950: '#000000',
  },
}

SCSS

$custom: #178c5b;
$custom-light: #6bae89;
$custom-dark: #000000;

JSON

{
  "hex": "#178c5b",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 91
  },
  "hsl": {
    "h": 154.872,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56709,
    "c": 0.12403,
    "h": 159
  },
  "luminance": 0.19694
}

Semantic roles & 50–950 ramp

primary

#178C5B

secondary

#BF3F75

accent

#3985EF

background

#F6FAF8

surface

#ECF4F0

border

#C7CECB

text

#08100B

muted

#7A7F7C

Preview Lab

Preview with #178C5B

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

Preview Lab → · Contrast checker → · Palette generator →