Lagoon
#42B5CD · Lagoon
#42B5CD is Lagoon, a cool cyan color. It has an RGB value of 66, 181, 205 and a relative luminance of 0.386, making it a dark surface.
Temperature
❄ Cool
Hue family
cyan
Luminance
0.39
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
2.41:1
AA normal✕
AA large✕
AAA normal✕
On black
The quick fox
8.72:1
AA normal✓
AA large✓
AAA normal✓
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #42B5CD?
#42B5CD is Lagoon, a cool cyan color. In RGB it is 66, 181, 205, and in HSL it is 190°, 58%, 53%.
Is #42B5CD a light or dark color?
#42B5CD has a relative luminance of 0.386, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #42B5CD?
Its complementary color is #CD5942. For softer combinations, try the analogous or split-complementary harmonies shown above.