#178E40#178E40

#178E40 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.8% C 0.152 H 149.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#178E40
RGB	rgb(23, 142, 64)
HSL	hsl(141, 72%, 32%)
HSV	hsv(141, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 54.9%, 44.3%)
CIE-LAB	lab(51.72, -48.60, 32.60)
CIE-LCH	lch(51.72, 58.52, 146.15°)
OKLab	oklab(56.76% -0.1304 0.0784)
OKLCH	oklch(56.76% 0.152 149)
XYZ	xyz(10.9508, 19.8970, 8.1128)
Luminance	0.1990 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E40 #8E1765

analogous

#2A8E17 #178E40 #178E7B

triadic

#178E40 #40178E #8E4017

tetradic

#178E40 #172A8E #8E1765 #8E7B17

square

#178E40 #172A8E #8E1765 #8E7B17

split-complementary

#178E40 #7B178E #8E172A

monochromatic

#062511 #0E5928 #178E40 #20C358 #3FE077

Accessibility & contrast

On white

4.22

#178E40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#178E40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E40

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E40	#FFFFFF	#000000	##000000
##178E40	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)

#8F8139

Deuteranopia (green-blind)

#827846

Tritanopia (blue-blind)

#008B7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178e40;
/* rgb */ color: rgb(23, 142, 64);
/* oklch */ color: oklch(56.8% 0.152 149.0);

Tailwind

colors: {
  custom: {
    50: '#6cb077',
    500: '#178e40',
    950: '#000000',
  },
}

SCSS

$custom: #178e40;
$custom-light: #6cb077;
$custom-dark: #000000;

JSON

{
  "hex": "#178e40",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 64
  },
  "hsl": {
    "h": 140.672,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56758,
    "c": 0.15215,
    "h": 149
  },
  "luminance": 0.19898
}

Semantic roles & 50–950 ramp

primary

#178E40

secondary

#C04094

accent

#39B0EF

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081109

muted

#7B807B

Preview Lab

Preview with #178E40

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

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