#178D3A#178D3A

#178D3A is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.4% C 0.156 H 147.7°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#178D3A
RGB	rgb(23, 141, 58)
HSL	hsl(138, 72%, 32%)
HSV	hsv(138, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 58.9%, 44.7%)
CIE-LAB	lab(51.31, -49.14, 35.13)
CIE-LCH	lch(51.31, 60.40, 144.44°)
OKLab	oklab(56.39% -0.132 0.0835)
OKLCH	oklch(56.39% 0.156 147.7)
XYZ	xyz(10.6411, 19.5361, 7.2122)
Luminance	0.1954 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D3A #8D176A

analogous

#2F8D17 #178D3A #178D75

triadic

#178D3A #3A178D #8D3A17

tetradic

#178D3A #172F8D #8D176A #8D7517

square

#178D3A #172F8D #8D176A #8D7517

split-complementary

#178D3A #75178D #8D172F

monochromatic

#06240F #0E5824 #178D3A #20C250 #3FE06E

Accessibility & contrast

On white

4.28

#178D3A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#178D3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D3A

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D3A	#FFFFFF	#000000	##000000
##178D3A	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8032

Deuteranopia (green-blind)

#827741

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d3a;
/* rgb */ color: rgb(23, 141, 58);
/* oklch */ color: oklch(56.4% 0.156 147.7);

Tailwind

colors: {
  custom: {
    50: '#6caf73',
    500: '#178d3a',
    950: '#000000',
  },
}

SCSS

$custom: #178d3a;
$custom-light: #6caf73;
$custom-dark: #000000;

JSON

{
  "hex": "#178d3a",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 58
  },
  "hsl": {
    "h": 137.797,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56393,
    "c": 0.15617,
    "h": 147.7
  },
  "luminance": 0.19537
}

Semantic roles & 50–950 ramp

primary

#178D3A

secondary

#C0409A

accent

#39B9EF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081108

muted

#7B807B

Preview Lab

Preview with #178D3A

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

Preview Lab → · Contrast checker → · Palette generator →