#178B16#178B16

#178B16 is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.5% C 0.178 H 142.6°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#178B16
RGB	rgb(23, 139, 22)
HSL	hsl(119, 73%, 32%)
HSV	hsv(119, 84%, 55%)
CMYK	cmyk(83.5%, 0%, 84.2%, 45.5%)
CIE-LAB	lab(50.34, -52.04, 48.70)
CIE-LCH	lch(50.34, 71.27, 136.90°)
OKLab	oklab(55.49% -0.1413 0.1079)
OKLCH	oklch(55.49% 0.178 142.6)
XYZ	xyz(9.7302, 18.7041, 3.8563)
Luminance	0.1870 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B16 #8A168B

analogous

#528B16 #178B16 #168B50

triadic

#178B16 #16178B #8B1617

tetradic

#178B16 #16528B #8A168B #8B5016

square

#178B16 #16528B #8A168B #8B5016

split-complementary

#178B16 #50168B #8B1652

monochromatic

#062105 #0E560E #178B16 #20C01E #3DE03B

Accessibility & contrast

On white

4.43

#178B16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#178B16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B16

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B16	#FFFFFF	#000000	##000000
##178B16	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#827525

Tritanopia (blue-blind)

#008776

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178b16;
/* rgb */ color: rgb(23, 139, 22);
/* oklch */ color: oklch(55.5% 0.178 142.6);

Tailwind

colors: {
  custom: {
    50: '#6dae5f',
    500: '#178b16',
    950: '#000000',
  },
}

SCSS

$custom: #178b16;
$custom-light: #6dae5f;
$custom-dark: #000000;

JSON

{
  "hex": "#178b16",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 22
  },
  "hsl": {
    "h": 119.487,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55494,
    "c": 0.17777,
    "h": 142.6
  },
  "luminance": 0.18705
}

Semantic roles & 50–950 ramp

primary

#178B16

secondary

#BE3EBF

accent

#38EFEE

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #178B16

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

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