Nerdulator> put something in

Recognised as Colour

#A3EFFF

  • #A3EFFF
  • Cyan
  • Light
  • Nearest: Pale turquoise

#A3EFFF is a cyan with RGB values 163, 239, 255 and HSL 190°, 100%, 82%. It is a light colour, so black text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Pale turquoise.

Colour values

#A3EFFF#A3EFFF
HEX#A3EFFF
RGBrgb(163, 239, 255)
RGB (0–1)0.6392, 0.9373, 1
RGB percentages63.9%, 93.7%, 100%
HSLhsl(190.4, 100%, 82%)
HSV / HSBhsv(190.4, 36.1%, 100%)
CMYK36.1%, 6.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,743,807
CSS custom property--colour: #A3EFFF;

Brightness & contrast

Relative luminance0.7674WCAG 2.x, 0 is black and 1 is white
Perceived brightness221.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.35:1
Contrast with white1.28:1WCAG normal text: Fail
Contrast with black16.35:1WCAG normal text: AAA
Greyscale equivalent#E0E0E0
Inverted#5C1000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E2EAFFno red cones; affects about 1% of men; ΔE 21.4 from the original
Deuteranopia#D3DEFFno green cones; the most common form, about 1% of men; ΔE 22.5 from the original
Tritanopia#80F6F4no blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.28:1WCAG large text: Fail
Contrast with black, large text16.35:1WCAG large text: AAA

Named colours

Pale turquoise · ΔE 8.7Powder blue · ΔE 9.8Light blue · ΔE 11.3Sky blue · ΔE 13.4Light cyan · ΔE 17Light skyblue · ΔE 19.1
Nearest named CSS colourPale turquoise (#AFEEEE)ΔE 8.74, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB3A3
Analogous#A3FFE1, #A3C1FF
Triadic#FFA3EF, #EFFFA3
Split complementary#FFA3C1, #FFE1A3
Tetradic#E1A3FF, #FFB3A3, #C1FFA3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D6F8FF
Darker −10%#70E6FF
Darker −20%#3DDDFF
Darker −30%#0AD4FF
Darker −40%#00B1D6
More saturated +25%#A3EFFF
Less saturated −25%#AFE8F4

Channel breakdown

R163
G239
B255
Red163 (63.9%)
Green239 (93.7%)
Blue255 (100%)
Hue190.43°
Saturation (HSL)100%
Lightness81.96%
Dominant channelBlue
Hex per channelR A3 · G EF · 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 “a3efff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.