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Colour

#10DDE5

  • #10DDE5
  • Cyan
  • Light
  • Nearest: Dark turquoise

#10DDE5 is a cyan with RGB values 16, 221, 229 and HSL 182°, 87%, 48%. 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

#10DDE5#10DDE5
HEX#10DDE5
RGBrgb(16, 221, 229)
RGB (0–1)0.0627, 0.8667, 0.898
RGB percentages6.3%, 86.7%, 89.8%
HSLhsl(182.3, 86.9%, 48%)
HSV / HSBhsv(182.3, 93%, 89.8%)
CMYK93%, 3.5%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,105,381
CSS custom property--colour: #10DDE5;

Brightness & contrast

Relative luminance0.5748WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.5:1
Contrast with white1.68:1WCAG normal text: Fail
Contrast with black12.5:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#EF221A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CCD2E6no red cones; affects about 1% of men; ΔE 42.8 from the original
Deuteranopia#B2C0E6no green cones; the most common form, about 1% of men; ΔE 43.9 from the original
Tritanopia#00E6DFno blue cones; rare, and affects men and women equally; ΔE 9.5 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 text12.5:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 6Medium turquoise · ΔE 9.4Turquoise · ΔE 13Aqua · ΔE 13.4Cyan · ΔE 13.4Light seagreen · ΔE 18.1
Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.96, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E51810
Analogous#10E583, #1072E5
Triadic#E510DD, #DDE510
Split complementary#E51072, #E58310
Tetradic#8310E5, #E51810, #72E510

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6F9FB
Lighter +30%#96F4F8
Lighter +20%#67EFF4
Lighter +10%#37EAF1
Darker −10%#0DAFB5
Darker −20%#098186
Darker −30%#065356
Darker −40%#032526
More saturated +25%#00ECF5
Less saturated −25%#2FC1C6

Channel breakdown

R16
G221
B229
Red16 (6.3%)
Green221 (86.7%)
Blue229 (89.8%)
Hue182.25°
Saturation (HSL)86.94%
Lightness48.04%
Dominant channelBlue
Hex per channelR 10 · G DD · B E5

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Every value on this page was computed from “10dde5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.