#178E3A#178E3A

#178E3A is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.7% C 0.157 H 147.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#178E3A
RGB	rgb(23, 142, 58)
HSL	hsl(138, 72%, 32%)
HSV	hsv(138, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 59.2%, 44.3%)
CIE-LAB	lab(51.65, -49.49, 35.53)
CIE-LCH	lch(51.65, 60.92, 144.33°)
OKLab	oklab(56.67% -0.1329 0.0844)
OKLCH	oklch(56.67% 0.157 147.6)
XYZ	xyz(10.7892, 19.8323, 7.2616)
Luminance	0.1983 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E3A #8E176B

analogous

#308E17 #178E3A #178E75

triadic

#178E3A #3A178E #8E3A17

tetradic

#178E3A #17308E #8E176B #8E7517

square

#178E3A #17308E #8E176B #8E7517

split-complementary

#178E3A #75178E #8E1730

monochromatic

#06250F #0E5924 #178E3A #20C350 #3FE06F

Accessibility & contrast

On white

4.23

#178E3A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#178E3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E3A

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E3A	#FFFFFF	#000000	##000000
##178E3A	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908132

Deuteranopia (green-blind)

#837841

Tritanopia (blue-blind)

#008B7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178e3a;
/* rgb */ color: rgb(23, 142, 58);
/* oklch */ color: oklch(56.7% 0.157 147.6);

Tailwind

colors: {
  custom: {
    50: '#6cb073',
    500: '#178e3a',
    950: '#000000',
  },
}

SCSS

$custom: #178e3a;
$custom-light: #6cb073;
$custom-dark: #000000;

JSON

{
  "hex": "#178e3a",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 58
  },
  "hsl": {
    "h": 137.647,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56674,
    "c": 0.15743,
    "h": 147.6
  },
  "luminance": 0.19834
}

Semantic roles & 50–950 ramp

primary

#178E3A

secondary

#C0409B

accent

#39B9EF

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081108

muted

#7B807B

Preview Lab

Preview with #178E3A

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

Preview Lab → · Contrast checker → · Palette generator →