#178538#178538

#178538 is a mid, vivid green. Relative luminance 0.172; OKLCH L 54.1% C 0.148 H 148.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#178538
RGB	rgb(23, 133, 56)
HSL	hsl(138, 71%, 31%)
HSV	hsv(138, 83%, 52%)
CMYK	cmyk(82.7%, 0%, 57.9%, 47.8%)
CIE-LAB	lab(48.56, -46.62, 32.87)
CIE-LCH	lch(48.56, 57.05, 144.82°)
OKLab	oklab(54.11% -0.1252 0.0784)
OKLCH	oklch(54.11% 0.148 148)
XYZ	xyz(9.4539, 17.2416, 6.5703)
Luminance	0.1724 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178538 #851764

analogous

#2D8517 #178538 #17856F

triadic

#178538 #381785 #853817

tetradic

#178538 #172D85 #851764 #856F17

square

#178538 #172D85 #851764 #856F17

split-complementary

#178538 #6F1785 #85172D

monochromatic

#051D0C #0E5122 #178538 #20B94E #3ADD6B

Accessibility & contrast

On white

4.72

#178538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#178538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178538

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178538	#FFFFFF	#000000	##FFFFFF
##178538	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867831

Deuteranopia (green-blind)

#7A703E

Tritanopia (blue-blind)

#008274

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #178538;
/* rgb */ color: rgb(23, 133, 56);
/* oklch */ color: oklch(54.1% 0.148 148.0);

Tailwind

colors: {
  custom: {
    50: '#69aa71',
    500: '#178538',
    950: '#000000',
  },
}

SCSS

$custom: #178538;
$custom-light: #69aa71;
$custom-dark: #000000;

JSON

{
  "hex": "#178538",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 56
  },
  "hsl": {
    "h": 138,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.54106,
    "c": 0.14776,
    "h": 148
  },
  "luminance": 0.17243
}

Semantic roles & 50–950 ramp

primary

#178538

secondary

#B93F94

accent

#3BB8ED

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #178538

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

Preview Lab → · Contrast checker → · Palette generator →