Colour

#15DCEF

#15DCEF
Cyan
Light
Nearest: Dark turquoise

#15DCEF is a cyan with RGB values 21, 220, 239 and HSL 185°, 87%, 51%. It is a light colour, so black text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#15DCEF#15DCEF

HEX#15DCEF

RGBrgb(21, 220, 239)

RGB (0–1)0.0824, 0.8627, 0.9373

RGB percentages8.2%, 86.3%, 93.7%

HSLhsl(185.2, 87.2%, 51%)

HSV / HSBhsv(185.2, 91.2%, 93.7%)

CMYK91.2%, 7.9%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,432,815

CSS custom property--colour: #15DCEF;

Brightness & contrast

Relative luminance0.57578WCAG 2.x, 0 is black and 1 is white

Perceived brightness187.2 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.52:1

Contrast with white1.68:1WCAG normal text: Fail

Contrast with black12.52:1WCAG normal text: AAA

Greyscale equivalent#B3B3B3

Inverted#EA2310

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C8D3F0no red cones; affects about 1% of men; ΔE 39.5 from the original

Deuteranopia#AEC0EFno green cones; the most common form, about 1% of men; ΔE 41.1 from the original

Tritanopia#00E6E2no blue cones; rare, and affects men and women equally; ΔE 14.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text1.68:1WCAG large text: Fail

Contrast with black, large text12.52:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 10.3 Medium turquoise · ΔE 13.9 Aqua · ΔE 17.3 Cyan · ΔE 17.3 Turquoise · ΔE 19.2 Light seagreen · ΔE 21.3

Nearest named CSS colourDark turquoise (#00CED1)ΔE 10.27, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#EF2815

Analogous#15EF95, #156FEF

Triadic#EF15DC, #DCEF15

Split complementary#EF156F, #EF9515

Tetradic#9515EF, #EF2815, #6FEF15

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#D4F9FC

Lighter +30%#A4F1F9

Lighter +20%#74EAF6

Lighter +10%#45E3F2

Darker −10%#0DB4C4

Darker −20%#0A8894

Darker −30%#075C64

Darker −40%#043034

More saturated +25%#05E9FF

Less saturated −25%#34C2D0

Channel breakdown

R21

G220

B239

Red21 (8.2%)

Green220 (86.3%)

Blue239 (93.7%)

Hue185.23°

Saturation (HSL)87.2%

Lightness50.98%

Dominant channelBlue

Hex per channelR 15 · G DC · B EF

Keep nerding

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#15DCEF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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