#178F3C#178F3C

#178F3C is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.0% C 0.157 H 148.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#178F3C
RGB	rgb(23, 143, 60)
HSL	hsl(139, 72%, 33%)
HSV	hsv(139, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 58%, 43.9%)
CIE-LAB	lab(52.01, -49.55, 34.96)
CIE-LCH	lch(52.01, 60.64, 144.79°)
OKLab	oklab(56.98% -0.133 0.0833)
OKLCH	oklch(56.98% 0.157 148)
XYZ	xyz(10.9905, 20.1520, 7.5846)
Luminance	0.2015 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F3C #8F176A

analogous

#2E8F17 #178F3C #178F78

triadic

#178F3C #3C178F #8F3C17

tetradic

#178F3C #172E8F #8F176A #8F7817

square

#178F3C #172E8F #8F176A #8F7817

split-complementary

#178F3C #78178F #8F172E

monochromatic

#062610 #0F5A26 #178F3C #1FC452 #40E071

Accessibility & contrast

On white

4.17

#178F3C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#178F3C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F3C

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F3C	#FFFFFF	#000000	##000000
##178F3C	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918234

Deuteranopia (green-blind)

#847843

Tritanopia (blue-blind)

#008C7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178f3c;
/* rgb */ color: rgb(23, 143, 60);
/* oklch */ color: oklch(57.0% 0.157 148.0);

Tailwind

colors: {
  custom: {
    50: '#6cb174',
    500: '#178f3c',
    950: '#000000',
  },
}

SCSS

$custom: #178f3c;
$custom-light: #6cb174;
$custom-dark: #000000;

JSON

{
  "hex": "#178f3c",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 60
  },
  "hsl": {
    "h": 138.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56981,
    "c": 0.15696,
    "h": 148
  },
  "luminance": 0.20153
}

Semantic roles & 50–950 ramp

primary

#178F3C

secondary

#C14199

accent

#39B7EF

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081108

muted

#7B807B

Preview Lab

Preview with #178F3C

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

Preview Lab → · Contrast checker → · Palette generator →