#178A30#178A30

#178A30 is a mid, vivid green. Relative luminance 0.186; OKLCH L 55.4% C 0.161 H 145.9°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#178A30
RGB	rgb(23, 138, 48)
HSL	hsl(133, 71%, 32%)
HSV	hsv(133, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 65.2%, 45.9%)
CIE-LAB	lab(50.18, -49.42, 38.62)
CIE-LCH	lch(50.18, 62.72, 142.00°)
OKLab	oklab(55.42% -0.1331 0.0901)
OKLCH	oklch(55.42% 0.161 145.9)
XYZ	xyz(9.9746, 18.5713, 5.8547)
Luminance	0.1857 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A30 #8A1771

analogous

#388A17 #178A30 #178A6A

triadic

#178A30 #30178A #8A3017

tetradic

#178A30 #17388A #8A1771 #8A6A17

square

#178A30 #17388A #8A1771 #8A6A17

split-complementary

#178A30 #6A178A #8A1738

monochromatic

#06210C #0E561E #178A30 #20BE42 #3DDF60

Accessibility & contrast

On white

4.45

#178A30 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#178A30 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A30

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A30	#FFFFFF	#000000	##000000
##178A30	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7D25

Deuteranopia (green-blind)

#807438

Tritanopia (blue-blind)

#008677

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #178a30;
/* rgb */ color: rgb(23, 138, 48);
/* oklch */ color: oklch(55.4% 0.161 145.9);

Tailwind

colors: {
  custom: {
    50: '#6bad6c',
    500: '#178a30',
    950: '#000000',
  },
}

SCSS

$custom: #178a30;
$custom-light: #6bad6c;
$custom-dark: #000000;

JSON

{
  "hex": "#178a30",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 48
  },
  "hsl": {
    "h": 133.043,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55422,
    "c": 0.1607,
    "h": 145.9
  },
  "luminance": 0.18573
}

Semantic roles & 50–950 ramp

primary

#178A30

secondary

#BE3FA2

accent

#3AC7EE

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #178A30

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

Preview Lab → · Contrast checker → · Palette generator →