#178537#178537

#178537 is a mid, vivid green. Relative luminance 0.172; OKLCH L 54.1% C 0.149 H 147.7°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#178537
RGB	rgb(23, 133, 55)
HSL	hsl(137, 71%, 31%)
HSV	hsv(137, 83%, 52%)
CMYK	cmyk(82.7%, 0%, 58.6%, 47.8%)
CIE-LAB	lab(48.55, -46.77, 33.36)
CIE-LCH	lch(48.55, 57.45, 144.50°)
OKLab	oklab(54.09% -0.1257 0.0794)
OKLCH	oklch(54.09% 0.149 147.7)
XYZ	xyz(9.4297, 17.2319, 6.4428)
Luminance	0.1723 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178537 #851765

analogous

#2E8517 #178537 #17856E

triadic

#178537 #371785 #853717

tetradic

#178537 #172E85 #851765 #856E17

square

#178537 #172E85 #851765 #856E17

split-complementary

#178537 #6E1785 #85172E

monochromatic

#051D0C #0E5121 #178537 #20B94D #3ADD69

Accessibility & contrast

On white

4.72

#178537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#178537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178537

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178537	#FFFFFF	#000000	##FFFFFF
##178537	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)

#87782F

Deuteranopia (green-blind)

#7A703D

Tritanopia (blue-blind)

#008274

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #178537;
/* rgb */ color: rgb(23, 133, 55);
/* oklch */ color: oklch(54.1% 0.149 147.7);

Tailwind

colors: {
  custom: {
    50: '#69aa70',
    500: '#178537',
    950: '#000000',
  },
}

SCSS

$custom: #178537;
$custom-light: #69aa70;
$custom-dark: #000000;

JSON

{
  "hex": "#178537",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 55
  },
  "hsl": {
    "h": 137.455,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.54092,
    "c": 0.14864,
    "h": 147.7
  },
  "luminance": 0.17233
}

Semantic roles & 50–950 ramp

primary

#178537

secondary

#B93F95

accent

#3BB9ED

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#071007

muted

#7A7F7A

Preview Lab

Preview with #178537

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

Preview Lab → · Contrast checker → · Palette generator →