#178D3D#178D3D

#178D3D is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.4% C 0.154 H 148.4°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#178D3D
RGB	rgb(23, 141, 61)
HSL	hsl(139, 72%, 32%)
HSV	hsv(139, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 56.7%, 44.7%)
CIE-LAB	lab(51.34, -48.70, 33.67)
CIE-LCH	lch(51.34, 59.21, 145.34°)
OKLab	oklab(56.43% -0.1307 0.0805)
OKLCH	oklch(56.43% 0.154 148.4)
XYZ	xyz(10.7197, 19.5675, 7.6259)
Luminance	0.1957 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D3D #8D1767

analogous

#2C8D17 #178D3D #178D78

triadic

#178D3D #3D178D #8D3D17

tetradic

#178D3D #172C8D #8D1767 #8D7817

square

#178D3D #172C8D #8D1767 #8D7817

split-complementary

#178D3D #78178D #8D172C

monochromatic

#06240F #0E5826 #178D3D #20C254 #3FE073

Accessibility & contrast

On white

4.27

#178D3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#178D3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D3D

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D3D	#FFFFFF	#000000	##000000
##178D3D	1.00	4.27	4.91	4.91
#FFFFFF	4.27	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)

#8E8036

Deuteranopia (green-blind)

#827743

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d3d;
/* rgb */ color: rgb(23, 141, 61);
/* oklch */ color: oklch(56.4% 0.154 148.4);

Tailwind

colors: {
  custom: {
    50: '#6baf75',
    500: '#178d3d',
    950: '#000000',
  },
}

SCSS

$custom: #178d3d;
$custom-light: #6baf75;
$custom-dark: #000000;

JSON

{
  "hex": "#178d3d",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 61
  },
  "hsl": {
    "h": 139.322,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56434,
    "c": 0.15355,
    "h": 148.4
  },
  "luminance": 0.19569
}

Semantic roles & 50–950 ramp

primary

#178D3D

secondary

#C04097

accent

#39B4EF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #178D3D

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

Preview Lab → · Contrast checker → · Palette generator →