Recognised as Colour

#19DDEE

#19DDEE
Cyan
Light
Nearest: Dark turquoise

#19DDEE is a cyan with RGB values 25, 221, 238 and HSL 185°, 86%, 52%. It is a light colour, so black text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#19DDEE#19DDEE

HEX#19DDEE

RGBrgb(25, 221, 238)

RGB (0–1)0.098, 0.8667, 0.9333

RGB percentages9.8%, 86.7%, 93.3%

HSLhsl(184.8, 86.2%, 51.6%)

HSV / HSBhsv(184.8, 89.5%, 93.3%)

CMYK89.5%, 7.1%, 0%, 6.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,695,214

CSS custom property--colour: #19DDEE;

Brightness & contrast

Relative luminance0.58093WCAG 2.x, 0 is black and 1 is white

Perceived brightness187.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.62:1

Contrast with white1.66:1WCAG normal text: Fail

Contrast with black12.62:1WCAG normal text: AAA

Greyscale equivalent#B5B5B5

Inverted#E62211

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#CAD3EFno red cones; affects about 1% of men; ΔE 40.5 from the original

Deuteranopia#AFC0EFno green cones; the most common form, about 1% of men; ΔE 42.1 from the original

Tritanopia#00E7E2no blue cones; rare, and affects men and women equally; ΔE 13.6 from the original

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

Contrast with white, large text1.66:1WCAG large text: Fail

Contrast with black, large text12.62:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 9.5 Medium turquoise · ΔE 13 Aqua · ΔE 16.3 Cyan · ΔE 16.3 Turquoise · ΔE 18 Light seagreen · ΔE 20.8

Nearest named CSS colourDark turquoise (#00CED1)ΔE 9.49, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#EE2A19

Analogous#19EE95, #1973EE

Triadic#EE19DD, #DDEE19

Split complementary#EE1973, #EE9519

Tetradic#9519EE, #EE2A19, #72EE19

Tints, shades & saturation

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

Lighter +40%#D7F9FC

Lighter +30%#A7F2F9

Lighter +20%#78EBF5

Lighter +10%#48E4F2

Darker −10%#0FB7C5

Darker −20%#0B8B96

Darker −30%#085F66

Darker −40%#043337

More saturated +25%#08EBFF

Less saturated −25%#38C3CF

Channel breakdown

R25

G221

B238

Red25 (9.8%)

Green221 (86.7%)

Blue238 (93.3%)

Hue184.79°

Saturation (HSL)86.23%

Lightness51.57%

Dominant channelBlue

Hex per channelR 19 · G DD · B EE

Keep nerding

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

#19DDEE

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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