#66a4b0 - Seaside color

Soft, muted aqua leaning toward teal, this cool blue-green evokes calm coastal waters and weathered steel. It feels sophisticated and modern rather than tropical, offering a serene, slightly smoky quality that pairs well with warm woods, brass accents, and neutral grays. Subtle and versatile, it suits interiors, branding, and textiles where understated tranquility is desired. The tone suggests reliability and clarity with a gentle edge—refreshing yet composed, perfect for spaces and designs seeking a refined, coastal-inspired palette.

#66a4b0 color RGB value is 102, 164, 176, and the CMYK value is 0.420, 0.0682, 0.00, 0.310. Alternative names for that color are: seaside, teal, cadetblue, hippie blue, blue green, green.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	102, 164, 176	rgb(102, 164, 176)
CMYK	0.420, 0.0682, 0.00, 0.310	-
sRGB	0.400, 0.643, 0.690	rgb(40%, 64.3%, 69%)
Adobe® 98 RGB compatible	0.482, 0.637, 0.682	color(a98-rgb, 0.482, 0.637, 0.682)
HCT	212, 30.4, 63.8	color(--hct, 212, 21%, 63.8%)
HSL	190, 31.9, 54.5	hsl(190, 31.9%, 54.5%)
HSV	190, 42.0, 69.0	color(--hsv, 190, 42%, 69%)
HWB	190, 40.0, 31.0	hwb(190, 40%, 31%)
Lab	63.5, -18.4, -12.9	lab(63.5%, -18.4, -12.9)
P3	0.456, 0.637, 0.683	color(display-p3, 0.456, 0.637, 0.683)
XYZ D50	0.263, 0.322, 0.348	color(xyz-d50, 0.263, 0.322, 0.348)