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Recognised as Colour

#00B9FF

  • #00B9FF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#00B9FF is a cyan with RGB values 0, 185, 255 and HSL 196°, 100%, 50%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#00B9FF#00B9FF
HEX#00B9FF
RGBrgb(0, 185, 255)
RGB (0–1)0, 0.7255, 1
RGB percentages0%, 72.5%, 100%
HSLhsl(196.5, 100%, 50%)
HSV / HSBhsv(196.5, 100%, 100%)
CMYK100%, 27.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer47,615
CSS custom property--colour: #00B9FF;

Brightness & contrast

Relative luminance0.41918WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.38:1
Contrast with white2.24:1WCAG normal text: Fail
Contrast with black9.38:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#FF4600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#96B8FFno red cones; affects about 1% of men; ΔE 21.9 from the original
Deuteranopia#79A4FEno green cones; the most common form, about 1% of men; ΔE 25.2 from the original
Tritanopia#00CBD1no blue cones; rare, and affects men and women equally; ΔE 39 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.24:1WCAG large text: Fail
Contrast with black, large text9.38:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 4.5Light skyblue · ΔE 19.3Steel blue · ΔE 24.8Sky blue · ΔE 25.4Cornflower blue · ΔE 25.7Dodgerblue · ΔE 32.5
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 4.53, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF4600
Analogous#00FFC6, #0039FF
Triadic#FF00B9, #B9FF00
Split complementary#FF0039, #FFC600
Tetradic#C600FF, #FF4600, #39FF00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCF1FF
Lighter +30%#99E3FF
Lighter +20%#66D5FF
Lighter +10%#33C7FF
Darker −10%#0094CC
Darker −20%#006F99
Darker −30%#004A66
Darker −40%#002533
More saturated +25%#00B9FF
Less saturated −25%#20ABDF

Channel breakdown

R0
G185
B255
Red0 (0%)
Green185 (72.5%)
Blue255 (100%)
Hue196.47°
Saturation (HSL)100%
Lightness50%
Dominant channelBlue
Hex per channelR 00 · G B9 · B FF

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Every value on this page was computed from “00b9ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.