#178A4E#178A4E

#178A4E is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.9% C 0.134 H 154.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#178A4E
RGB	rgb(23, 138, 78)
HSL	hsl(149, 71%, 32%)
HSV	hsv(149, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 43.5%, 45.9%)
CIE-LAB	lab(50.58, -44.68, 23.70)
CIE-LCH	lch(50.58, 50.58, 152.05°)
OKLab	oklab(55.88% -0.1201 0.0587)
OKLCH	oklch(55.88% 0.134 154)
XYZ	xyz(10.8159, 18.9078, 10.2858)
Luminance	0.1891 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A4E #8A1753

analogous

#198A17 #178A4E #178A88

triadic

#178A4E #4E178A #8A4E17

tetradic

#178A4E #17198A #8A1753 #8A8817

square

#178A4E #17198A #8A1753 #8A8817

split-complementary

#178A4E #88178A #8A1719

monochromatic

#062113 #0E5630 #178A4E #20BE6C #3DDF8A

Accessibility & contrast

On white

4.39

#178A4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#178A4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A4E

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A4E	#FFFFFF	#000000	##000000
##178A4E	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7E4A

Deuteranopia (green-blind)

#7D7552

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178a4e;
/* rgb */ color: rgb(23, 138, 78);
/* oklch */ color: oklch(55.9% 0.134 154.0);

Tailwind

colors: {
  custom: {
    50: '#6aad80',
    500: '#178a4e',
    950: '#000000',
  },
}

SCSS

$custom: #178a4e;
$custom-light: #6aad80;
$custom-dark: #000000;

JSON

{
  "hex": "#178a4e",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 78
  },
  "hsl": {
    "h": 148.696,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55881,
    "c": 0.13373,
    "h": 154
  },
  "luminance": 0.18909
}

Semantic roles & 50–950 ramp

primary

#178A4E

secondary

#BE3F81

accent

#3A98EE

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#08100A

muted

#7A7F7C

Preview Lab

Preview with #178A4E

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

Preview Lab → · Contrast checker → · Palette generator →