#178B49#178B49

#178B49 is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.1% C 0.140 H 152.0°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#178B49
RGB	rgb(23, 139, 73)
HSL	hsl(146, 72%, 32%)
HSV	hsv(146, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 47.5%, 45.5%)
CIE-LAB	lab(50.84, -46.00, 26.76)
CIE-LCH	lch(50.84, 53.22, 149.81°)
OKLab	oklab(56.07% -0.1235 0.0656)
OKLCH	oklch(56.07% 0.14 152)
XYZ	xyz(10.7876, 19.1271, 9.4254)
Luminance	0.1913 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B49 #8B1759

analogous

#1F8B17 #178B49 #178B83

triadic

#178B49 #49178B #8B4917

tetradic

#178B49 #171F8B #8B1759 #8B8317

square

#178B49 #171F8B #8B1759 #8B8317

split-complementary

#178B49 #83178B #8B171F

monochromatic

#062212 #0E562D #178B49 #20C065 #3DDF83

Accessibility & contrast

On white

4.35

#178B49 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#178B49 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B49

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B49	#FFFFFF	#000000	##000000
##178B49	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)

#8B7F44

Deuteranopia (green-blind)

#7E754E

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178b49;
/* rgb */ color: rgb(23, 139, 73);
/* oklch */ color: oklch(56.1% 0.140 152.0);

Tailwind

colors: {
  custom: {
    50: '#6aae7d',
    500: '#178b49',
    950: '#000000',
  },
}

SCSS

$custom: #178b49;
$custom-light: #6aae7d;
$custom-dark: #000000;

JSON

{
  "hex": "#178b49",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 73
  },
  "hsl": {
    "h": 145.862,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56066,
    "c": 0.13986,
    "h": 152
  },
  "luminance": 0.19128
}

Semantic roles & 50–950 ramp

primary

#178B49

secondary

#BF3F88

accent

#39A0EE

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#081009

muted

#7A7F7B

Preview Lab

Preview with #178B49

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

Preview Lab → · Contrast checker → · Palette generator →