#178F33#178F33

#178F33 is a mid, vivid green. Relative luminance 0.201; OKLCH L 56.9% C 0.164 H 146.1°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#178F33
RGB	rgb(23, 143, 51)
HSL	hsl(134, 72%, 33%)
HSV	hsv(134, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 64.3%, 43.9%)
CIE-LAB	lab(51.91, -50.75, 39.18)
CIE-LCH	lch(51.91, 64.11, 142.33°)
OKLab	oklab(56.87% -0.1365 0.0916)
OKLCH	oklch(56.87% 0.164 146.1)
XYZ	xyz(10.7725, 20.0648, 6.4365)
Luminance	0.2007 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F33 #8F1773

analogous

#378F17 #178F33 #178F6F

triadic

#178F33 #33178F #8F3317

tetradic

#178F33 #17378F #8F1773 #8F6F17

square

#178F33 #17378F #8F1773 #8F6F17

split-complementary

#178F33 #6F178F #8F1737

monochromatic

#06260D #0F5A20 #178F33 #1FC446 #40E065

Accessibility & contrast

On white

4.19

#178F33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#178F33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F33

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F33	#FFFFFF	#000000	##000000
##178F33	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918128

Deuteranopia (green-blind)

#84783B

Tritanopia (blue-blind)

#008B7C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178f33;
/* rgb */ color: rgb(23, 143, 51);
/* oklch */ color: oklch(56.9% 0.164 146.1);

Tailwind

colors: {
  custom: {
    50: '#6cb16e',
    500: '#178f33',
    950: '#000000',
  },
}

SCSS

$custom: #178f33;
$custom-light: #6cb16e;
$custom-dark: #000000;

JSON

{
  "hex": "#178f33",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 51
  },
  "hsl": {
    "h": 134,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56868,
    "c": 0.16443,
    "h": 146.1
  },
  "luminance": 0.20066
}

Semantic roles & 50–950 ramp

primary

#178F33

secondary

#C141A3

accent

#39C4EF

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#081107

muted

#7B807A

Preview Lab

Preview with #178F33

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

Preview Lab → · Contrast checker → · Palette generator →