Emerald
#18A584 · Emerald
#18A584 is Emerald, a cool cyan color. It has an RGB value of 24, 165, 132 and a relative luminance of 0.288, making it a dark surface.
Temperature
❄ Cool
Hue family
cyan
Luminance
0.29
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
3.11:1
AA normal✕
AA large✓
AAA normal✕
On black
The quick fox
6.75:1
AA normal✓
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #18A584?
#18A584 is Emerald, a cool cyan color. In RGB it is 24, 165, 132, and in HSL it is 166°, 75%, 37%.
Is #18A584 a light or dark color?
#18A584 has a relative luminance of 0.288, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #18A584?
Its complementary color is #A51839. For softer combinations, try the analogous or split-complementary harmonies shown above.