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Recognised as Colour

#04EEFF

  • #04EEFF
  • Cyan
  • Light
  • Nearest: Aqua

#04EEFF is a cyan with RGB values 4, 238, 255 and HSL 184°, 100%, 51%. It is a light colour, so black text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#04EEFF#04EEFF
HEX#04EEFF
RGBrgb(4, 238, 255)
RGB (0–1)0.0157, 0.9333, 1
RGB percentages1.6%, 93.3%, 100%
HSLhsl(184.1, 100%, 50.8%)
HSV / HSBhsv(184.1, 98.4%, 100%)
CMYK98.4%, 6.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer323,327
CSS custom property--colour: #04EEFF;

Brightness & contrast

Relative luminance0.68395WCAG 2.x, 0 is black and 1 is white
Perceived brightness201.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.68:1
Contrast with white1.43:1WCAG normal text: Fail
Contrast with black14.68:1WCAG normal text: AAA
Greyscale equivalent#BDBDBD
Inverted#FB1100

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D9E3FFno red cones; affects about 1% of men; ΔE 43.4 from the original
Deuteranopia#BDCFFFno green cones; the most common form, about 1% of men; ΔE 45 from the original
Tritanopia#00F9F3no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.43:1WCAG large text: Fail
Contrast with black, large text14.68:1WCAG large text: AAA

Named colours

Aqua · ΔE 11.7Cyan · ΔE 11.7Dark turquoise · ΔE 13.5Medium turquoise · ΔE 16.4Turquoise · ΔE 18.5Light seagreen · ΔE 25.6
Nearest named CSS colourAqua (#00FFFF)ΔE 11.67, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF1504
Analogous#04FF93, #0470FF
Triadic#FF04EE, #EEFF04
Split complementary#FF0470, #FF9204
Tetradic#9304FF, #FF1504, #71FF04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0FCFF
Lighter +30%#9DF8FF
Lighter +20%#6AF5FF
Lighter +10%#37F1FF
Darker −10%#00C2D0
Darker −20%#00929D
Darker −30%#00636A
Darker −40%#003337
More saturated +25%#04EEFF
Less saturated −25%#23D3E0

Channel breakdown

R4
G238
B255
Red4 (1.6%)
Green238 (93.3%)
Blue255 (100%)
Hue184.06°
Saturation (HSL)100%
Lightness50.78%
Dominant channelBlue
Hex per channelR 04 · G EE · B FF

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Every value on this page was computed from “04eeff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.