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Recognised as Colour

#4BBFDD

  • #4BBFDD
  • Cyan
  • Dark
  • Nearest: Sky blue

#4BBFDD is a cyan with RGB values 75, 191, 221 and HSL 192°, 68%, 58%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#4BBFDD#4BBFDD
HEX#4BBFDD
RGBrgb(75, 191, 221)
RGB (0–1)0.2941, 0.749, 0.8667
RGB percentages29.4%, 74.9%, 86.7%
HSLhsl(192.3, 68.2%, 58%)
HSV / HSBhsv(192.3, 66.1%, 86.7%)
CMYK66.1%, 13.6%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,964,317
CSS custom property--colour: #4BBFDD;

Brightness & contrast

Relative luminance0.43978WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.8:1
Contrast with white2.14:1WCAG normal text: Fail
Contrast with black9.8:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#B44022

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ACBADFno red cones; affects about 1% of men; ΔE 27 from the original
Deuteranopia#97AADDno green cones; the most common form, about 1% of men; ΔE 28.8 from the original
Tritanopia#00C9C8no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.14:1WCAG large text: Fail
Contrast with black, large text9.8:1WCAG large text: AAA

Named colours

Sky blue · ΔE 11.5Light skyblue · ΔE 15.1Deep skyblue · ΔE 18.8Dark turquoise · ΔE 20.3Cadetblue · ΔE 20.7Light blue · ΔE 21.4
Nearest named CSS colourSky blue (#87CEEB)ΔE 11.46, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD694B
Analogous#4BDDB2, #4B76DD
Triadic#DD4BBF, #BFDD4B
Split complementary#DD4B76, #DDB24B
Tetradic#B24BDD, #DD694B, #76DD4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FCFD
Lighter +30%#CCEDF5
Lighter +20%#A1DEED
Lighter +10%#76CEE5
Darker −10%#27ACCE
Darker −20%#1F88A3
Darker −30%#176478
Darker −40%#0F404D
More saturated +25%#30CFF8
Less saturated −25%#66AFC2

Channel breakdown

R75
G191
B221
Red75 (29.4%)
Green191 (74.9%)
Blue221 (86.7%)
Hue192.33°
Saturation (HSL)68.22%
Lightness58.04%
Dominant channelBlue
Hex per channelR 4B · G BF · B DD

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Every value on this page was computed from “4bbfdd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.