#178437#178437

#178437 is a mid, vivid green. Relative luminance 0.170; OKLCH L 53.8% C 0.147 H 147.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#178437
RGB	rgb(23, 132, 55)
HSL	hsl(138, 70%, 30%)
HSV	hsv(138, 83%, 52%)
CMYK	cmyk(82.6%, 0%, 58.3%, 48.2%)
CIE-LAB	lab(48.21, -46.41, 32.95)
CIE-LCH	lch(48.21, 56.92, 144.63°)
OKLab	oklab(53.81% -0.1247 0.0785)
OKLCH	oklch(53.81% 0.147 147.8)
XYZ	xyz(9.2935, 16.9594, 6.3974)
Luminance	0.1696 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178437 #841764

analogous

#2D8417 #178437 #17846E

triadic

#178437 #371784 #843717

tetradic

#178437 #172D84 #841764 #846E17

square

#178437 #172D84 #841764 #846E17

split-complementary

#178437 #6E1784 #84172D

monochromatic

#051C0C #0E5021 #178437 #20B84D #39DC69

Accessibility & contrast

On white

4.78

#178437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#178437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178437

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178437	#FFFFFF	#000000	##FFFFFF
##178437	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857830

Deuteranopia (green-blind)

#7A6F3D

Tritanopia (blue-blind)

#008173

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #178437;
/* rgb */ color: rgb(23, 132, 55);
/* oklch */ color: oklch(53.8% 0.147 147.8);

Tailwind

colors: {
  custom: {
    50: '#69a970',
    500: '#178437',
    950: '#000000',
  },
}

SCSS

$custom: #178437;
$custom-light: #69a970;
$custom-dark: #000000;

JSON

{
  "hex": "#178437",
  "rgb": {
    "r": 23,
    "g": 132,
    "b": 55
  },
  "hsl": {
    "h": 137.615,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.53809,
    "c": 0.14736,
    "h": 147.8
  },
  "luminance": 0.16961
}

Semantic roles & 50–950 ramp

primary

#178437

secondary

#B83F94

accent

#3BB9ED

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#071007

muted

#7A7F7A

Preview Lab

Preview with #178437

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

Preview Lab → · Contrast checker → · Palette generator →