#178B4A#178B4A

#178B4A is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.1% C 0.139 H 152.3°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#178B4A
RGB	rgb(23, 139, 74)
HSL	hsl(146, 72%, 32%)
HSV	hsv(146, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 46.8%, 45.5%)
CIE-LAB	lab(50.85, -45.82, 26.24)
CIE-LCH	lch(50.85, 52.80, 150.20°)
OKLab	oklab(56.08% -0.123 0.0645)
OKLCH	oklch(56.08% 0.139 152.3)
XYZ	xyz(10.8210, 19.1405, 9.6014)
Luminance	0.1914 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B4A #8B1758

analogous

#1E8B17 #178B4A #178B84

triadic

#178B4A #4A178B #8B4A17

tetradic

#178B4A #171E8B #8B1758 #8B8417

square

#178B4A #171E8B #8B1758 #8B8417

split-complementary

#178B4A #84178B #8B171E

monochromatic

#062212 #0E562E #178B4A #20C066 #3DDF84

Accessibility & contrast

On white

4.35

#178B4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#178B4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B4A

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B4A	#FFFFFF	#000000	##000000
##178B4A	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F45

Deuteranopia (green-blind)

#7E754F

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178b4a;
/* rgb */ color: rgb(23, 139, 74);
/* oklch */ color: oklch(56.1% 0.139 152.3);

Tailwind

colors: {
  custom: {
    50: '#6aae7d',
    500: '#178b4a',
    950: '#000000',
  },
}

SCSS

$custom: #178b4a;
$custom-light: #6aae7d;
$custom-dark: #000000;

JSON

{
  "hex": "#178b4a",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 74
  },
  "hsl": {
    "h": 146.379,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56084,
    "c": 0.13891,
    "h": 152.3
  },
  "luminance": 0.19142
}

Semantic roles & 50–950 ramp

primary

#178B4A

secondary

#BF3F87

accent

#399FEE

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#08100A

muted

#7A7F7C

Preview Lab

Preview with #178B4A

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

Preview Lab → · Contrast checker → · Palette generator →