#178A4F#178A4F

#178A4F is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.9% C 0.133 H 154.3°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#178A4F
RGB	rgb(23, 138, 79)
HSL	hsl(149, 71%, 32%)
HSV	hsv(149, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 42.8%, 45.9%)
CIE-LAB	lab(50.60, -44.49, 23.18)
CIE-LCH	lch(50.60, 50.16, 152.48°)
OKLab	oklab(55.9% -0.1197 0.0575)
OKLCH	oklch(55.9% 0.133 154.3)
XYZ	xyz(10.8521, 18.9223, 10.4760)
Luminance	0.1892 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A4F #8A1752

analogous

#198A17 #178A4F #178A89

triadic

#178A4F #4F178A #8A4F17

tetradic

#178A4F #17198A #8A1752 #8A8917

square

#178A4F #17198A #8A1752 #8A8917

split-complementary

#178A4F #89178A #8A1719

monochromatic

#062113 #0E5631 #178A4F #20BE6D #3DDF8C

Accessibility & contrast

On white

4.39

#178A4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#178A4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A4F

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A4F	#FFFFFF	#000000	##000000
##178A4F	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)

#8A7E4B

Deuteranopia (green-blind)

#7D7553

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178a4f;
/* rgb */ color: rgb(23, 138, 79);
/* oklch */ color: oklch(55.9% 0.133 154.3);

Tailwind

colors: {
  custom: {
    50: '#6aad81',
    500: '#178a4f',
    950: '#000000',
  },
}

SCSS

$custom: #178a4f;
$custom-light: #6aad81;
$custom-dark: #000000;

JSON

{
  "hex": "#178a4f",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 79
  },
  "hsl": {
    "h": 149.217,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.559,
    "c": 0.13277,
    "h": 154.3
  },
  "luminance": 0.18924
}

Semantic roles & 50–950 ramp

primary

#178A4F

secondary

#BE3F80

accent

#3A96EE

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#08100A

muted

#7A7F7C

Preview Lab

Preview with #178A4F

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

Preview Lab → · Contrast checker → · Palette generator →