#178E3F#178E3F

#178E3F is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.7% C 0.153 H 148.8°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#178E3F
RGB	rgb(23, 142, 63)
HSL	hsl(140, 72%, 32%)
HSV	hsv(140, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 55.6%, 44.3%)
CIE-LAB	lab(51.71, -48.75, 33.10)
CIE-LCH	lch(51.71, 58.93, 145.83°)
OKLab	oklab(56.74% -0.1309 0.0794)
OKLCH	oklch(56.74% 0.153 148.8)
XYZ	xyz(10.9226, 19.8857, 7.9643)
Luminance	0.1989 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E3F #8E1766

analogous

#2B8E17 #178E3F #178E7A

triadic

#178E3F #3F178E #8E3F17

tetradic

#178E3F #172B8E #8E1766 #8E7A17

square

#178E3F #172B8E #8E1766 #8E7A17

split-complementary

#178E3F #7A178E #8E172B

monochromatic

#062510 #0E5928 #178E3F #20C356 #3FE075

Accessibility & contrast

On white

4.22

#178E3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#178E3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E3F

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E3F	#FFFFFF	#000000	##000000
##178E3F	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)

#8F8138

Deuteranopia (green-blind)

#827845

Tritanopia (blue-blind)

#008B7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178e3f;
/* rgb */ color: rgb(23, 142, 63);
/* oklch */ color: oklch(56.7% 0.153 148.8);

Tailwind

colors: {
  custom: {
    50: '#6cb076',
    500: '#178e3f',
    950: '#000000',
  },
}

SCSS

$custom: #178e3f;
$custom-light: #6cb076;
$custom-dark: #000000;

JSON

{
  "hex": "#178e3f",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 63
  },
  "hsl": {
    "h": 140.168,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56743,
    "c": 0.15305,
    "h": 148.8
  },
  "luminance": 0.19887
}

Semantic roles & 50–950 ramp

primary

#178E3F

secondary

#C04095

accent

#39B2EF

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081108

muted

#7B807B

Preview Lab

Preview with #178E3F

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

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