#178E4A#178E4A

#178E4A is a mid, vivid green. Relative luminance 0.200; OKLCH L 56.9% C 0.143 H 151.8°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#178E4A
RGB	rgb(23, 142, 74)
HSL	hsl(146, 72%, 32%)
HSV	hsv(146, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 47.9%, 44.3%)
CIE-LAB	lab(51.86, -46.93, 27.53)
CIE-LCH	lch(51.86, 54.41, 149.60°)
OKLab	oklab(56.92% -0.126 0.0674)
OKLCH	oklch(56.92% 0.143 151.8)
XYZ	xyz(11.2614, 20.0212, 9.7482)
Luminance	0.2002 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E4A #8E175B

analogous

#208E17 #178E4A #178E85

triadic

#178E4A #4A178E #8E4A17

tetradic

#178E4A #17208E #8E175B #8E8517

square

#178E4A #17208E #8E175B #8E8517

split-complementary

#178E4A #85178E #8E1720

monochromatic

#062513 #0E592F #178E4A #20C365 #3FE084

Accessibility & contrast

On white

4.20

#178E4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#178E4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E4A

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E4A	#FFFFFF	#000000	##000000
##178E4A	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8145

Deuteranopia (green-blind)

#81784F

Tritanopia (blue-blind)

#008C7E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178e4a;
/* rgb */ color: rgb(23, 142, 74);
/* oklch */ color: oklch(56.9% 0.143 151.8);

Tailwind

colors: {
  custom: {
    50: '#6bb07d',
    500: '#178e4a',
    950: '#000000',
  },
}

SCSS

$custom: #178e4a;
$custom-light: #6bb07d;
$custom-dark: #000000;

JSON

{
  "hex": "#178e4a",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 74
  },
  "hsl": {
    "h": 145.714,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56921,
    "c": 0.14289,
    "h": 151.8
  },
  "luminance": 0.20023
}

Semantic roles & 50–950 ramp

primary

#178E4A

secondary

#C0408A

accent

#39A1EF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #178E4A

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

Preview Lab → · Contrast checker → · Palette generator →