#178F1D#178F1D

#178F1D is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.7% C 0.179 H 143.2°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#178F1D
RGB	rgb(23, 143, 29)
HSL	hsl(123, 72%, 33%)
HSV	hsv(123, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 79.7%, 43.9%)
CIE-LAB	lab(51.74, -52.86, 47.86)
CIE-LCH	lch(51.74, 71.31, 137.84°)
OKLab	oklab(56.67% -0.1432 0.1071)
OKLCH	oklch(56.67% 0.179 143.2)
XYZ	xyz(10.3969, 19.9145, 4.4581)
Luminance	0.1992 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F1D #8F1789

analogous

#4D8F17 #178F1D #178F59

triadic

#178F1D #1D178F #8F1D17

tetradic

#178F1D #174D8F #8F1789 #8F5917

square

#178F1D #174D8F #8F1789 #8F5917

split-complementary

#178F1D #59178F #8F174D

monochromatic

#062608 #0F5A12 #178F1D #1FC428 #40E048

Accessibility & contrast

On white

4.21

#178F1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#178F1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F1D

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F1D	#FFFFFF	#000000	##000000
##178F1D	1.00	4.21	4.98	4.98
#FFFFFF	4.21	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)

#86782A

Tritanopia (blue-blind)

#008B7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178f1d;
/* rgb */ color: rgb(23, 143, 29);
/* oklch */ color: oklch(56.7% 0.179 143.2);

Tailwind

colors: {
  custom: {
    50: '#6db162',
    500: '#178f1d',
    950: '#000000',
  },
}

SCSS

$custom: #178f1d;
$custom-light: #6db162;
$custom-dark: #000000;

JSON

{
  "hex": "#178f1d",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 29
  },
  "hsl": {
    "h": 123,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56672,
    "c": 0.17885,
    "h": 143.2
  },
  "luminance": 0.19916
}

Semantic roles & 50–950 ramp

primary

#178F1D

secondary

#C141BA

accent

#39E6EF

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081106

muted

#7B807A

Preview Lab

Preview with #178F1D

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

Preview Lab → · Contrast checker → · Palette generator →