#178A19#178A19

#178A19 is a mid, vivid green. Relative luminance 0.184; OKLCH L 55.2% C 0.175 H 142.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#178A19
RGB	rgb(23, 138, 25)
HSL	hsl(121, 71%, 32%)
HSV	hsv(121, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 81.9%, 45.9%)
CIE-LAB	lab(50.01, -51.54, 47.49)
CIE-LCH	lch(50.01, 70.09, 137.34°)
OKLab	oklab(55.23% -0.1398 0.1058)
OKLCH	oklch(55.23% 0.175 142.9)
XYZ	xyz(9.6167, 18.4281, 3.9697)
Luminance	0.1843 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A19 #8A1788

analogous

#4F8A17 #178A19 #178A53

triadic

#178A19 #19178A #8A1917

tetradic

#178A19 #174F8A #8A1788 #8A5317

square

#178A19 #174F8A #8A1788 #8A5317

split-complementary

#178A19 #53178A #8A174F

monochromatic

#062106 #0E560F #178A19 #20BE23 #3DDF40

Accessibility & contrast

On white

4.48

#178A19 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#178A19 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A19

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A19	#FFFFFF	#000000	##000000
##178A19	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C00

Deuteranopia (green-blind)

#817427

Tritanopia (blue-blind)

#008675

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #178a19;
/* rgb */ color: rgb(23, 138, 25);
/* oklch */ color: oklch(55.2% 0.175 142.9);

Tailwind

colors: {
  custom: {
    50: '#6cad60',
    500: '#178a19',
    950: '#000000',
  },
}

SCSS

$custom: #178a19;
$custom-light: #6cad60;
$custom-dark: #000000;

JSON

{
  "hex": "#178a19",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 25
  },
  "hsl": {
    "h": 121.043,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55226,
    "c": 0.17533,
    "h": 142.9
  },
  "luminance": 0.18429
}

Semantic roles & 50–950 ramp

primary

#178A19

secondary

#BE3FBB

accent

#3AEBEE

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #178A19

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

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