#66ddff - Athena Blue color

A vivid, luminous aqua-blue that reads as a bright cyan with a hint of green. It feels clean, refreshing, and tropical—like shallow seawater under strong sunlight or a summer sky tinged with mint. High in saturation and medium-light in value, it conveys energy and modern freshness while remaining serene. It pairs beautifully with coral, warm sand tones, crisp white, or deep navy for contrast. Use it for accents, branding, or interfaces that need a youthful, invigorating touch.

color #66ddff

#66ddff color RGB value is 102, 221, 255, and the CMYK value is 0.600, 0.133, 0.00, 0.00. Alternative names for that color are: athena blue, cyan, skyblue, sky blue, violet.

Color Conversion

Name
Values
CSS
RGB(0-255)
102, 221, 255
rgb(102, 221, 255)
CMYK
0.600, 0.133, 0.00, 0.00
-
sRGB
0.400, 0.867, 1.00
rgb(40% 86.7% 100%)
Adobe® 98 RGB compatible
0.579, 0.863, 0.995
color(a98-rgb 0.579 0.863 0.995)
HCT
220, 47.2, 82.8
color(--hct 220 32.6% 82.8%)
HSL
193, 100, 70.0
hsl(193 100% 70%)
HSV
193, 60.0, 100
color(--hsv 193 60% 100%)
HWB
193, 40.0, 0.00
hwb(193 40% 0%)
Lab
82.3, -27.6, -27.3
lab(82.3 -27.6 -27.3)
P3
0.525, 0.856, 0.985
color(display-p3 0.525 0.856 0.985)
XYZ D50
0.480, 0.609, 0.786
color(xyz-d50 0.48 0.609 0.786)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#66ddff
RGB:102 221 255
HSL:193.33deg 100% 70%
HEX:#ff8866
RGB:255 136 102
HSL:13.33deg 100% 70%

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