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Colour

#04CCFF

  • #04CCFF
  • Cyan
  • Light
  • Nearest: Deep skyblue

#04CCFF is a cyan with RGB values 4, 204, 255 and HSL 192°, 100%, 51%. It is a light colour, so black text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#04CCFF#04CCFF
HEX#04CCFF
RGBrgb(4, 204, 255)
RGB (0–1)0.0157, 0.8, 1
RGB percentages1.6%, 80%, 100%
HSLhsl(192.2, 100%, 50.8%)
HSV / HSBhsv(192.2, 98.4%, 100%)
CMYK98.4%, 20%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer314,623
CSS custom property--colour: #04CCFF;

Brightness & contrast

Relative luminance0.50432WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.09:1
Contrast with white1.89:1WCAG normal text: Fail
Contrast with black11.09:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#FB3300

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AFC7FFno red cones; affects about 1% of men; ΔE 29.8 from the original
Deuteranopia#93B4FEno green cones; the most common form, about 1% of men; ΔE 31.8 from the original
Tritanopia#00DBDDno blue cones; rare, and affects men and women equally; ΔE 29.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.89:1WCAG large text: Fail
Contrast with black, large text11.09:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 9.6Light skyblue · ΔE 16.1Sky blue · ΔE 18.3Dark turquoise · ΔE 28Light blue · ΔE 29.5Medium turquoise · ΔE 31.2
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 9.63, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF3704
Analogous#04FFB5, #044EFF
Triadic#FF04CC, #CCFF04
Split complementary#FF044F, #FFB504
Tetradic#B404FF, #FF3704, #4EFF04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0F5FF
Lighter +30%#9DEBFF
Lighter +20%#6AE1FF
Lighter +10%#37D6FF
Darker −10%#00A6D0
Darker −20%#007D9D
Darker −30%#00546A
Darker −40%#002C37
More saturated +25%#04CCFF
Less saturated −25%#23B9E0

Channel breakdown

R4
G204
B255
Red4 (1.6%)
Green204 (80%)
Blue255 (100%)
Hue192.19°
Saturation (HSL)100%
Lightness50.78%
Dominant channelBlue
Hex per channelR 04 · G CC · B FF

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