Nerdulator> put something in

Colour

#66ADBD

  • #66ADBD
  • Cyan
  • Dark
  • Nearest: Cadetblue

#66ADBD is a cyan with RGB values 102, 173, 189 and HSL 191°, 40%, 57%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#66ADBD#66ADBD
HEX#66ADBD
RGBrgb(102, 173, 189)
RGB (0–1)0.4, 0.6784, 0.7412
RGB percentages40%, 67.8%, 74.1%
HSLhsl(191, 39.7%, 57.1%)
HSV / HSBhsv(191, 46%, 74.1%)
CMYK46%, 8.5%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,729,149
CSS custom property--colour: #66ADBD;

Brightness & contrast

Relative luminance0.36386WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.28:1
Contrast with white2.54:1WCAG normal text: Fail
Contrast with black8.28:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#995242

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A1A9BEno red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#939EBDno green cones; the most common form, about 1% of men; ΔE 21.1 from the original
Tritanopia#3BB4B2no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.54:1WCAG large text: Fail
Contrast with black, large text8.28:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 9.7Sky blue · ΔE 14.2Light blue · ΔE 18.8Light slate grey · ΔE 19.6Light skyblue · ΔE 19.9Dark cyan · ΔE 20.2
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 9.71, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD7666
Analogous#66BDA2, #6681BD
Triadic#BD66AD, #ADBD66
Split complementary#BD6682, #BDA266
Tetradic#A166BD, #BD7666, #81BD66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5F9FA
Lighter +30%#D1E6EB
Lighter +20%#ADD3DC
Lighter +10%#8AC0CC
Darker −10%#4896A8
Darker −20%#397684
Darker −30%#2A5660
Darker −40%#1A363D
More saturated +25%#4BBED8
Less saturated −25%#819CA2

Channel breakdown

R102
G173
B189
Red102 (40%)
Green173 (67.8%)
Blue189 (74.1%)
Hue191.03°
Saturation (HSL)39.73%
Lightness57.06%
Dominant channelBlue
Hex per channelR 66 · G AD · B BD

Keep nerding

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

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “66adbd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.