#178C1E#178C1E

#178C1E is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.8% C 0.175 H 143.3°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#178C1E
RGB	rgb(23, 140, 30)
HSL	hsl(124, 72%, 32%)
HSV	hsv(124, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 78.6%, 45.1%)
CIE-LAB	lab(50.72, -51.83, 46.53)
CIE-LCH	lch(50.72, 69.65, 138.08°)
OKLab	oklab(55.83% -0.1404 0.1045)
OKLCH	oklch(55.83% 0.175 143.3)
XYZ	xyz(9.9651, 19.0308, 4.3762)
Luminance	0.1903 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C1E #8C1785

analogous

#4B8C17 #178C1E #178C59

triadic

#178C1E #1E178C #8C1E17

tetradic

#178C1E #174B8C #8C1785 #8C5917

square

#178C1E #174B8C #8C1785 #8C5917

split-complementary

#178C1E #59178C #8C174B

monochromatic

#062307 #0E5713 #178C1E #20C129 #3EDF48

Accessibility & contrast

On white

4.37

#178C1E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#178C1E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C1E

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C1E	#FFFFFF	#000000	##000000
##178C1E	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E03

Deuteranopia (green-blind)

#83752B

Tritanopia (blue-blind)

#008877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178c1e;
/* rgb */ color: rgb(23, 140, 30);
/* oklch */ color: oklch(55.8% 0.175 143.3);

Tailwind

colors: {
  custom: {
    50: '#6daf63',
    500: '#178c1e',
    950: '#000000',
  },
}

SCSS

$custom: #178c1e;
$custom-light: #6daf63;
$custom-dark: #000000;

JSON

{
  "hex": "#178c1e",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 30
  },
  "hsl": {
    "h": 123.59,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55827,
    "c": 0.175,
    "h": 143.3
  },
  "luminance": 0.19032
}

Semantic roles & 50–950 ramp

primary

#178C1E

secondary

#BF3FB8

accent

#39E4EF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178C1E

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

Preview Lab → · Contrast checker → · Palette generator →