What the Brook circa Sure Keeping

#28a399 RGB(40,163,153)

About this color

What the Brook circa Sure Keeping is a vivid, medium-dark cyan tone, fixed at #28a399 in the RGB color space.

#28a399RGB(40, 163, 153)

HSL 175° · 61% saturation · 40% 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

Practically, this medium-dark cyan is comfortable as interactive elements, tags, badges, and highlight states. It has enough saturation to register clearly without straining extended-reading contexts.

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Colour pairings

For palette building, 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.

⚖️ Contrast checker👁 Colour blindness🌈 Gradient🎨 Colour mixer

Color Categories

Color formats

Name
What the Brook circa Sure Keeping
HEX
#28a399
RGB
rgb(40,163,153)
RGB%
rgb(15.7%,63.9%,60%)
HSL
hsl(175,61%,40%)
HSV
hsv(175,75%,64%)
CMYK
cmyk(75,0,6,36)
LAB
lab(61,-35,-4)
LCH
lch(61,35,187)
sRGB
(0.157,0.639,0.6)
HEX8
#28a399ff
CSS Name
Decimal
040163153

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Color variants

Color info

Lightness
40%
Saturation
61%
Hue
175°
Chroma
35
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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