#181C09 color
The hex color #181C09 is a very dark, moderate yellow-green.
In the RGB color model it is made of 9.4% red, 11% green and 3.5% blue (24, 28, 9).
Its hue angle is 73°, with 51% saturation and 7% lightness. For print, the CMYK equivalent is 14% cyan, 0% magenta, 68% yellow and 89% black.
The closest named color is Memorial Black (#091101), a difference of 4.5 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.37:1).
#181C09 color codes
| HEX | #181C09 | |
|---|---|---|
| RGB | rgb(24, 28, 9) | |
| RGB percent | rgb(9.4%, 11%, 3.5%) | |
| HSL | hsl(73, 51%, 7%) | |
| HSV / HSB | hsv(73, 68%, 11%) | |
| CMYK | cmyk(14%, 0%, 68%, 89%) | |
| CIE LAB | lab(9.36, -5.87, 10.19) | |
| CIE LCH | lch(9.36, 11.75, 119.94) | |
| CIE XYZ | xyz(0.841, 1.044, 0.416) | |
| Decimal | 1580041 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #181C09, based on their position on the color wheel.
Complementary
The color opposite on the color wheel (180°). Strongest contrast.
Analogous
Neighbors 30° either side. Calm, natural combinations.
Split complementary
The two colors next to the complement (150° and 210°).
Triadic
Three colors evenly spaced, 120° apart.
Tetradic (square)
Four colors 90° apart.
Shades, tints and tones
Shades (darker, mixed with black)
Tints (lighter, mixed with white)
Tones (mixed with gray)
Contrast and accessibility
| Text on #181C09 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.21:1 | Fail | Fail | Fail |
| Sample text | 17.37:1 | Pass | Pass | Pass |
| #181C09 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.37:1 | Pass | Pass | Pass |
| Sample text | 1.21:1 | Fail | Fail | Fail |
WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.
Color blindness simulation
How #181C09 looks to people with the most common types of color vision deficiency.
#1e1a08Protanopia
no red cones#1e1a0aDeuteranopia
no green cones#1a1a18Tritanopia
no blue cones#1a1a1aAchromatopsia
no color vision
CSS examples
.background { background-color: #181c09; }
.text { color: #181c09; }
.border { border: 2px solid #181c09; }
.transparent { background-color: rgb(24 28 9 / 50%); }
.gradient { background: linear-gradient(to right, #181c09, #0e1c09); }
Similar colors
#091101Memorial Black#17240bMidnight Pines#1e231cUnderworld#001000Cosmic Bit Flip#112211Nightmare#020f03Blackn’t#041108Jedi Night#2b2e26Marshland
Closest common color name: Off Black.
Questions
- What color is #181C09?
- #181C09 is a very dark, moderate yellow-green, closest to the named color Memorial Black. It belongs to the black family of colors.
- What is the RGB value of #181C09?
- The RGB value is 24, 28, 9: 24 red, 28 green and 9 blue on a 0 to 255 scale.
- What is the complementary color of #181C09?
- The complementary color is #0D091C, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #181C09?
- White text. Black text has a contrast ratio of 1.21:1 and white text 17.37:1. WCAG asks for at least 4.5:1 for normal text.