#178A50#178A50

#178A50 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.9% C 0.132 H 154.7°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#178A50
RGB	rgb(23, 138, 80)
HSL	hsl(150, 71%, 32%)
HSV	hsv(150, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 42%, 45.9%)
CIE-LAB	lab(50.61, -44.29, 22.65)
CIE-LCH	lch(50.61, 49.74, 152.92°)
OKLab	oklab(55.92% -0.1192 0.0563)
OKLCH	oklch(55.92% 0.132 154.7)
XYZ	xyz(10.8887, 18.9370, 10.6692)
Luminance	0.1894 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A50 #8A1751

analogous

#188A17 #178A50 #178A8A

triadic

#178A50 #50178A #8A5017

tetradic

#178A50 #17188A #8A1751 #8A8A17

square

#178A50 #17188A #8A1751 #8A8A17

split-complementary

#178A50 #8A178A #8A1718

monochromatic

#062113 #0E5632 #178A50 #20BE6E #3DDF8D

Accessibility & contrast

On white

4.39

#178A50 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#178A50 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A50

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A50	#FFFFFF	#000000	##000000
##178A50	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7E4C

Deuteranopia (green-blind)

#7D7554

Tritanopia (blue-blind)

#00887C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178a50;
/* rgb */ color: rgb(23, 138, 80);
/* oklch */ color: oklch(55.9% 0.132 154.7);

Tailwind

colors: {
  custom: {
    50: '#6aad81',
    500: '#178a50',
    950: '#000000',
  },
}

SCSS

$custom: #178a50;
$custom-light: #6aad81;
$custom-dark: #000000;

JSON

{
  "hex": "#178a50",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 80
  },
  "hsl": {
    "h": 149.739,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.5592,
    "c": 0.1318,
    "h": 154.7
  },
  "luminance": 0.18938
}

Semantic roles & 50–950 ramp

primary

#178A50

secondary

#BE3F7F

accent

#3A95EE

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#08100A

muted

#7A7F7C

Preview Lab

Preview with #178A50

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

Preview Lab → · Contrast checker → · Palette generator →