Composed Atoll out Grading

#15899c RGB(21,137,156)

About this color

Composed Atoll out Grading presents itself as a medium-dark, intense cyan shade, sitting at #15899c in the 24-bit RGB space.

#15899cRGB(21, 137, 156)

HSL 188° · 76% saturation · 35% lightness

🧠

Psychology

Dark cyans feel aquatic and technical — deep ocean, industrial machinery, precision instruments.

🏛️

History

Cerulean, a blue-green pigment introduced in the nineteenth century, became important to Impressionist painters for capturing sky and water with unprecedented freshness.

✏️

Design use

In practical terms, a medium-dark cyan like this works well as a background for light-coloured text, as a deep accent stripe, or as an anchoring tone in dark-mode interfaces. It pairs naturally with off-whites, warm creams, and metallic highlights.

🎭

Colour pairings

In terms of colour combinations, combine this cyan with coral and warm white for a fresh, modern palette, or with deep navy and charcoal for a more serious, technical feel.

⚖️ Contrast checker👁 Colour blindness🌈 Gradient🎨 Colour mixer

Color Categories

Color formats

Name
Composed Atoll out Grading
HEX
#15899c
RGB
rgb(21,137,156)
RGB%
rgb(8.2%,53.7%,61.2%)
HSL
hsl(188,76%,35%)
HSV
hsv(188,87%,61%)
CMYK
cmyk(87,12,0,39)
LAB
lab(52,-23,-19)
LCH
lch(52,30,220)
sRGB
(0.082,0.537,0.612)
HEX8
#15899cff
CSS Name
Decimal
021137156

Similar colors

Color variants

Color info

Lightness
35%
Saturation
76%
Hue
188°
Chroma
30
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

Share