Recognised as Colour

#17FFDD

#17FFDD
Cyan
Light
Nearest: Aquamarine

#17FFDD is a cyan with RGB values 23, 255, 221 and HSL 171°, 100%, 55%. It is a light colour, so black text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#17FFDD#17FFDD

HEX#17FFDD

RGBrgb(23, 255, 221)

RGB (0–1)0.0902, 1, 0.8667

RGB percentages9%, 100%, 86.7%

HSLhsl(171.2, 100%, 54.5%)

HSV / HSBhsv(171.2, 91%, 100%)

CMYK91%, 0%, 13.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,572,829

CSS custom property--colour: #17FFDD;

Brightness & contrast

Relative luminance0.76923WCAG 2.x, 0 is black and 1 is white

Perceived brightness209.5 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.38:1

Contrast with white1.28:1WCAG normal text: Fail

Contrast with black16.38:1WCAG normal text: AAA

Greyscale equivalent#CBCBCB

Inverted#E80022

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F4EEDCno red cones; affects about 1% of men; ΔE 56.4 from the original

Deuteranopia#DADBE0no green cones; the most common form, about 1% of men; ΔE 57.6 from the original

Tritanopia#00FFF5no blue cones; rare, and affects men and women equally; ΔE 13.1 from the original

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

Contrast with white, large text1.28:1WCAG large text: Fail

Contrast with black, large text16.38:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 13.6 Turquoise · ΔE 16.8 Aqua · ΔE 18.6 Cyan · ΔE 18.6 Medium aquamarine · ΔE 24.3 Medium turquoise · ΔE 25.9

Nearest named CSS colourAquamarine (#7FFFD4)ΔE 13.59, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FF1739

Analogous#17FF69, #17ADFF

Triadic#DD17FF, #FFDD17

Split complementary#FF17AD, #FF6917

Tetradic#6917FF, #FF1739, #ADFF17

Tints, shades & saturation

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

Lighter +40%#E3FFFB

Lighter +30%#B0FFF3

Lighter +20%#7DFFEC

Lighter +10%#4AFFE4

Darker −10%#00E3C2

Darker −20%#00B096

Darker −30%#007D6B

Darker −40%#004A3F

More saturated +25%#17FFDD

Less saturated −25%#34E2C9

Channel breakdown

R23

G255

B221

Red23 (9%)

Green255 (100%)

Blue221 (86.7%)

Hue171.21°

Saturation (HSL)100%

Lightness54.51%

Dominant channelGreen

Hex per channelR 17 · G FF · B DD

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#17FFDD

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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