Recognised as Colour
#00EFEF
- #00EFEF
- Cyan
- Light
- Nearest: Aqua
#00EFEF is a cyan with RGB values 0, 239, 239 and HSL 180°, 100%, 47%. It is a light colour, so black text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Aqua.
Colour values
#00EFEF#00EFEF
HEX#00EFEF
RGBrgb(0, 239, 239)
RGB (0–1)0, 0.9373, 0.9373
RGB percentages0%, 93.7%, 93.7%
HSLhsl(180, 100%, 46.9%)
HSV / HSBhsv(180, 100%, 93.7%)
CMYK100%, 0%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer61,423
CSS custom property--colour: #00EFEF;
Brightness & contrast
Relative luminance0.67965WCAG 2.x, 0 is black and 1 is white
Perceived brightness200.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.59:1
Contrast with white1.44:1WCAG normal text: Fail
Contrast with black14.59:1WCAG normal text: AAA
Greyscale equivalent#BCBCBC
Inverted#FF1010
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.44:1WCAG large text: Fail
Contrast with black, large text14.59:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#EF0000
Analogous#00EF77, #0077EF
Triadic#EF00EF, #EFEF00
Split complementary#EF0077, #EF7700
Tetradic#7700EF, #EF0000, #77EF00
Tints, shades & saturation
Channel breakdown
R0
G239
B239
Red0 (0%)
Green239 (93.7%)
Blue239 (93.7%)
Hue180°
Saturation (HSL)100%
Lightness46.86%
Dominant channelGreen and Blue
Hex per channelR 00 · G EF · B EF
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