#178E5B#178E5B

#178E5B is a mid, vivid teal. Relative luminance 0.203; OKLCH L 57.3% C 0.127 H 158.4°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#178E5B
RGB	rgb(23, 142, 91)
HSL	hsl(154, 72%, 32%)
HSV	hsv(154, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 35.9%, 44.3%)
CIE-LAB	lab(52.15, -43.54, 18.57)
CIE-LCH	lch(52.15, 47.34, 156.91°)
OKLab	oklab(57.26% -0.1178 0.0467)
OKLCH	oklch(57.26% 0.127 158.4)
XYZ	xyz(11.9134, 20.2820, 13.1824)
Luminance	0.2028 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E5B #8E174A

analogous

#178E20 #178E5B #17858E

triadic

#178E5B #5B178E #8E5B17

tetradic

#178E5B #20178E #8E174A #858E17

square

#178E5B #20178E #8E174A #858E17

split-complementary

#178E5B #8E1785 #8E2017

monochromatic

#062517 #0E5939 #178E5B #20C37D #3FE09B

Accessibility & contrast

On white

4.15

#178E5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#178E5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E5B

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E5B	#FFFFFF	#000000	##000000
##178E5B	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8258

Deuteranopia (green-blind)

#7F785E

Tritanopia (blue-blind)

#008D81

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178e5b;
/* rgb */ color: rgb(23, 142, 91);
/* oklch */ color: oklch(57.3% 0.127 158.4);

Tailwind

colors: {
  custom: {
    50: '#6bb089',
    500: '#178e5b',
    950: '#000000',
  },
}

SCSS

$custom: #178e5b;
$custom-light: #6bb089;
$custom-dark: #000000;

JSON

{
  "hex": "#178e5b",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 91
  },
  "hsl": {
    "h": 154.286,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.57259,
    "c": 0.12672,
    "h": 158.4
  },
  "luminance": 0.20283
}

Semantic roles & 50–950 ramp

primary

#178E5B

secondary

#C04077

accent

#3987EF

background

#F7FAF8

surface

#EDF5F0

border

#C8CFCB

text

#08110B

muted

#7B807C

Preview Lab

Preview with #178E5B

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

Preview Lab → · Contrast checker → · Palette generator →