What Sienna Basin underneath Arching

#21e0e4 RGB(33,224,228)

About this color

What Sienna Basin underneath Arching settles into a medium cyan territory with a intense quality that feels cool — captured at #21e0e4, RGB(33, 224, 228).

#21e0e4RGB(33, 224, 228)

HSL 181° · 78% saturation · 51% lightness

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Psychology

Mid cyan is strongly associated with technology, precision, and a certain crisp modernity.

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History

Cyan as a printing ink became central to modern colour reproduction — the C in CMYK — because its complement to red allows the full printable colour range.

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Design use

In design terms, a mid-toned cyan like this handles accent colours, call-to-action buttons, and icon fills — it holds its own without overwhelming adjacent elements. Always check WCAG contrast ratios before using it under or over text.

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Colour pairings

Looking at colour relationships, cyan complements warm reds and red-oranges — a palette of technological energy. For calmer use, pair with white, light grey, and the lightest tints of the same hue.

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Color Categories

Color formats

Name
What Sienna Basin underneath Arching
HEX
#21e0e4
RGB
rgb(33,224,228)
RGB%
rgb(12.9%,87.8%,89.4%)
HSL
hsl(181,78%,51%)
HSV
hsv(181,86%,89%)
CMYK
cmyk(86,2,0,11)
LAB
lab(81,-41,-14)
LCH
lch(81,43,199)
sRGB
(0.129,0.878,0.894)
HEX8
#21e0e4ff
CSS Name
Decimal
033224228

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Color variants

Color info

Lightness
51%
Saturation
78%
Hue
181°
Chroma
43
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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