#178E1F#178E1F

#178E1F is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.4% C 0.177 H 143.4°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#178E1F
RGB	rgb(23, 142, 31)
HSL	hsl(124, 72%, 32%)
HSV	hsv(124, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 78.2%, 44.3%)
CIE-LAB	lab(51.41, -52.40, 46.86)
CIE-LCH	lch(51.41, 70.29, 138.19°)
OKLab	oklab(56.4% -0.1419 0.1053)
OKLCH	oklch(56.4% 0.177 143.4)
XYZ	xyz(10.2730, 19.6258, 4.5428)
Luminance	0.1963 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E1F #8E1786

analogous

#4A8E17 #178E1F #178E5B

triadic

#178E1F #1F178E #8E1F17

tetradic

#178E1F #174A8E #8E1786 #8E5B17

square

#178E1F #174A8E #8E1786 #8E5B17

split-complementary

#178E1F #5B178E #8E174A

monochromatic

#062508 #0E5914 #178E1F #20C32A #3FE04A

Accessibility & contrast

On white

4.26

#178E1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#178E1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E1F

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E1F	#FFFFFF	#000000	##000000
##178E1F	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918005

Deuteranopia (green-blind)

#85772C

Tritanopia (blue-blind)

#008A79

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178e1f;
/* rgb */ color: rgb(23, 142, 31);
/* oklch */ color: oklch(56.4% 0.177 143.4);

Tailwind

colors: {
  custom: {
    50: '#6db063',
    500: '#178e1f',
    950: '#000000',
  },
}

SCSS

$custom: #178e1f;
$custom-light: #6db063;
$custom-dark: #000000;

JSON

{
  "hex": "#178e1f",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 31
  },
  "hsl": {
    "h": 124.034,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56402,
    "c": 0.17668,
    "h": 143.4
  },
  "luminance": 0.19627
}

Semantic roles & 50–950 ramp

primary

#178E1F

secondary

#C040B8

accent

#39E3EF

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081106

muted

#7B807A

Preview Lab

Preview with #178E1F

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

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