#178F17#178F17

#178F17 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.6% C 0.182 H 142.7°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#178F17
RGB	rgb(23, 143, 23)
HSL	hsl(120, 72%, 33%)
HSV	hsv(120, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 83.9%, 43.9%)
CIE-LAB	lab(51.71, -53.24, 49.68)
CIE-LCH	lch(51.71, 72.82, 136.98°)
OKLab	oklab(56.64% -0.1445 0.1101)
OKLCH	oklch(56.64% 0.182 142.7)
XYZ	xyz(10.3298, 19.8877, 4.1047)
Luminance	0.1989 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F17 #8F178F

analogous

#538F17 #178F17 #178F53

triadic

#178F17 #17178F #8F1717

tetradic

#178F17 #17538F #8F178F #8F5317

square

#178F17 #17538F #8F178F #8F5317

split-complementary

#178F17 #53178F #8F1753

monochromatic

#062606 #0F5A0F #178F17 #1FC41F #40E040

Accessibility & contrast

On white

4.22

#178F17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#178F17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F17

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F17	#FFFFFF	#000000	##000000
##178F17	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928100

Deuteranopia (green-blind)

#867827

Tritanopia (blue-blind)

#008B79

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178f17;
/* rgb */ color: rgb(23, 143, 23);
/* oklch */ color: oklch(56.6% 0.182 142.7);

Tailwind

colors: {
  custom: {
    50: '#6eb160',
    500: '#178f17',
    950: '#000000',
  },
}

SCSS

$custom: #178f17;
$custom-light: #6eb160;
$custom-dark: #000000;

JSON

{
  "hex": "#178f17",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 23
  },
  "hsl": {
    "h": 120,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56637,
    "c": 0.18166,
    "h": 142.7
  },
  "luminance": 0.19889
}

Semantic roles & 50–950 ramp

primary

#178F17

secondary

#C141C1

accent

#39EFEF

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091105

muted

#7B807A

Preview Lab

Preview with #178F17

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

Preview Lab → · Contrast checker → · Palette generator →