#178D68 color
The hex color #178D68 is a dark, moderate spring green.
In the RGB color model it is made of 9% red, 55.3% green and 40.8% blue (23, 141, 104).
Its hue angle is 161°, with 72% saturation and 32% lightness. For print, the CMYK equivalent is 84% cyan, 0% magenta, 26% yellow and 45% black.
The closest named color is Viridian (#1E9167), a difference of 1.9 ΔE, which is barely visible.
Black text is the more readable choice on this background (contrast 5.05:1).
#178D68 color codes
| HEX | #178D68 | |
|---|---|---|
| RGB | rgb(23, 141, 104) | |
| RGB percent | rgb(9%, 55.3%, 40.8%) | |
| HSL | hsl(161, 72%, 32%) | |
| HSV / HSB | hsv(161, 84%, 55%) | |
| CMYK | cmyk(84%, 0%, 26%, 45%) | |
| CIE LAB | lab(52.1, -40.1, 11.11) | |
| CIE LCH | lch(52.1, 41.61, 164.51) | |
| CIE XYZ | xyz(12.375, 20.23, 16.347) | |
| Decimal | 1543528 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #178D68, 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 #178D68 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.05:1 | Pass | Fail | Pass |
| Sample text | 4.16:1 | Fail | Fail | Pass |
| #178D68 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.16:1 | Fail | Fail | Pass |
| Sample text | 5.05:1 | Pass | Fail | Pass |
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 #178D68 looks to people with the most common types of color vision deficiency.
#8a8266Protanopia
no red cones#7c786aDeuteranopia
no green cones#008d83Tritanopia
no blue cones#7c7c7cAchromatopsia
no color vision
CSS examples
.background { background-color: #178d68; }
.text { color: #178d68; }
.border { border: 2px solid #178d68; }
.transparent { background-color: rgb(23 141 104 / 50%); }
.gradient { background: linear-gradient(to right, #178d68, #17778d); }
Similar colors
#1e9167Viridian#1b8a6bElf#11875dPrimal Green#018466Shadows of Time#419168Illuminati Green#039578Pool Table#008b56Center Field#009a70Rainforest
Closest common color name: Sea Green.
Questions
- What color is #178D68?
- #178D68 is a dark, moderate spring green, closest to the named color Viridian. It belongs to the green family of colors.
- What is the RGB value of #178D68?
- The RGB value is 23, 141, 104: 23 red, 141 green and 104 blue on a 0 to 255 scale.
- What is the complementary color of #178D68?
- The complementary color is #8D173C, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #178D68?
- Black text. Black text has a contrast ratio of 5.05:1 and white text 4.16:1. WCAG asks for at least 4.5:1 for normal text.