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Recognised as Colour

#63CFF7

  • #63CFF7
  • Cyan
  • Light
  • Nearest: Light skyblue

#63CFF7 is a cyan with RGB values 99, 207, 247 and HSL 196°, 90%, 68%. It is a light colour, so black text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#63CFF7#63CFF7
HEX#63CFF7
RGBrgb(99, 207, 247)
RGB (0–1)0.3882, 0.8118, 0.9686
RGB percentages38.8%, 81.2%, 96.9%
HSLhsl(196.2, 90.2%, 67.8%)
HSV / HSBhsv(196.2, 59.9%, 96.9%)
CMYK59.9%, 16.2%, 0%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,541,303
CSS custom property--colour: #63CFF7;

Brightness & contrast

Relative luminance0.53994WCAG 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 11.8:1
Contrast with white1.78:1WCAG normal text: Fail
Contrast with black11.8:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#9C3008

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9CBF9no red cones; affects about 1% of men; ΔE 24.1 from the original
Deuteranopia#A4BBF7no green cones; the most common form, about 1% of men; ΔE 26 from the original
Tritanopia#00DBDCno blue cones; rare, and affects men and women equally; ΔE 27.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.78:1WCAG large text: Fail
Contrast with black, large text11.8:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 8.9Sky blue · ΔE 9.1Deep skyblue · ΔE 14.9Light blue · ΔE 20.3Light steelblue · ΔE 22.9Powder blue · ΔE 23
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 8.92, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F78B63
Analogous#63F7D5, #6385F7
Triadic#F763CF, #CFF763
Split complementary#F76385, #F7D563
Tetradic#D563F7, #F78B63, #85F763

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F5FCFE
Lighter +20%#C4EDFC
Lighter +10%#94DEF9
Darker −10%#32C0F5
Darker −20%#0CADE8
Darker −30%#0989B8
Darker −40%#076487
More saturated +25%#5BD3FF
Less saturated −25%#78C6E3

Channel breakdown

R99
G207
B247
Red99 (38.8%)
Green207 (81.2%)
Blue247 (96.9%)
Hue196.22°
Saturation (HSL)90.24%
Lightness67.84%
Dominant channelBlue
Hex per channelR 63 · G CF · B F7

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Every value on this page was computed from “63cff7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.