Nerdulator> put something in

Recognised as Colour

#90DDFF

  • #90DDFF
  • Cyan
  • Light
  • Nearest: Sky blue

#90DDFF is a cyan with RGB values 144, 221, 255 and HSL 198°, 100%, 78%. It is a light colour, so black text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#90DDFF#90DDFF
HEX#90DDFF
RGBrgb(144, 221, 255)
RGB (0–1)0.5647, 0.8667, 1
RGB percentages56.5%, 86.7%, 100%
HSLhsl(198.4, 100%, 78.2%)
HSV / HSBhsv(198.4, 43.5%, 100%)
CMYK43.5%, 13.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,494,015
CSS custom property--colour: #90DDFF;

Brightness & contrast

Relative luminance0.64862WCAG 2.x, 0 is black and 1 is white
Perceived brightness205.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.97:1
Contrast with white1.5:1WCAG normal text: Fail
Contrast with black13.97:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#6F2200

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CBDAFFno red cones; affects about 1% of men; ΔE 18.4 from the original
Deuteranopia#BBCDFFno green cones; the most common form, about 1% of men; ΔE 20.1 from the original
Tritanopia#60E7E8no blue cones; rare, and affects men and women equally; ΔE 24.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.5:1WCAG large text: Fail
Contrast with black, large text13.97:1WCAG large text: AAA

Named colours

Sky blue · ΔE 5.9Light skyblue · ΔE 7.8Light blue · ΔE 13.2Powder blue · ΔE 16.1Light steelblue · ΔE 17.4Pale turquoise · ΔE 19
Nearest named CSS colourSky blue (#87CEEB)ΔE 5.86, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB290
Analogous#90FFE9, #90A6FF
Triadic#FF90DD, #DDFF90
Split complementary#FF90A6, #FFEA90
Tetradic#E990FF, #FFB290, #A5FF90

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F6FCFF
Lighter +10%#C3EDFF
Darker −10%#5DCDFF
Darker −20%#2ABEFF
Darker −30%#00ABF6
Darker −40%#0087C3
More saturated +25%#90DDFF
Less saturated −25%#9ED8F1

Channel breakdown

R144
G221
B255
Red144 (56.5%)
Green221 (86.7%)
Blue255 (100%)
Hue198.38°
Saturation (HSL)100%
Lightness78.24%
Dominant channelBlue
Hex per channelR 90 · G DD · B FF

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 “90ddff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.