#178D28#178D28

#178D28 is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.2% C 0.170 H 144.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#178D28
RGB	rgb(23, 141, 40)
HSL	hsl(129, 72%, 32%)
HSV	hsv(129, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 71.6%, 44.7%)
CIE-LAB	lab(51.13, -51.29, 43.15)
CIE-LCH	lch(51.13, 67.03, 139.93°)
OKLab	oklab(56.19% -0.1385 0.0988)
OKLCH	oklch(56.19% 0.17 144.5)
XYZ	xyz(10.2605, 19.3838, 5.2078)
Luminance	0.1938 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D28 #8D177C

analogous

#418D17 #178D28 #178D63

triadic

#178D28 #28178D #8D2817

tetradic

#178D28 #17418D #8D177C #8D6317

square

#178D28 #17418D #8D177C #8D6317

split-complementary

#178D28 #63178D #8D1741

monochromatic

#06240A #0E5819 #178D28 #20C237 #3FE056

Accessibility & contrast

On white

4.31

#178D28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#178D28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D28

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D28	#FFFFFF	#000000	##000000
##178D28	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F19

Deuteranopia (green-blind)

#837632

Tritanopia (blue-blind)

#008979

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d28;
/* rgb */ color: rgb(23, 141, 40);
/* oklch */ color: oklch(56.2% 0.170 144.5);

Tailwind

colors: {
  custom: {
    50: '#6caf68',
    500: '#178d28',
    950: '#000000',
  },
}

SCSS

$custom: #178d28;
$custom-light: #6caf68;
$custom-dark: #000000;

JSON

{
  "hex": "#178d28",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 40
  },
  "hsl": {
    "h": 128.644,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.5619,
    "c": 0.17008,
    "h": 144.5
  },
  "luminance": 0.19385
}

Semantic roles & 50–950 ramp

primary

#178D28

secondary

#C040AD

accent

#39D5EF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081106

muted

#7B807A

Preview Lab

Preview with #178D28

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

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