Sky
#1999A4 · Sky
#1999A4 is Sky, a cool cyan color. It has an RGB value of 25, 153, 164 and a relative luminance of 0.257, making it a dark surface.
Temperature
❄ Cool
Hue family
cyan
Luminance
0.26
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
3.42:1
AA normal✕
AA large✓
AAA normal✕
On black
The quick fox
6.13:1
AA normal✓
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #1999A4?
#1999A4 is Sky, a cool cyan color. In RGB it is 25, 153, 164, and in HSL it is 185°, 74%, 37%.
Is #1999A4 a light or dark color?
#1999A4 has a relative luminance of 0.257, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #1999A4?
Its complementary color is #A42419. For softer combinations, try the analogous or split-complementary harmonies shown above.