Recognised as Colour
#5BFFEF
- #5BFFEF
- Cyan
- Light
- Nearest: Aqua
#5BFFEF is a cyan with RGB values 91, 255, 239 and HSL 174°, 100%, 68%. It is a light colour, so black text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Aqua.
Colour values
#5BFFEF#5BFFEF
HEX#5BFFEF
RGBrgb(91, 255, 239)
RGB (0–1)0.3569, 1, 0.9373
RGB percentages35.7%, 100%, 93.7%
HSLhsl(174.1, 100%, 67.8%)
HSV / HSBhsv(174.1, 64.3%, 100%)
CMYK64.3%, 0%, 6.3%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,029,295
CSS custom property--colour: #5BFFEF;
Brightness & contrast
Relative luminance0.79976WCAG 2.x, 0 is black and 1 is white
Perceived brightness217.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17:1
Contrast with white1.24:1WCAG normal text: Fail
Contrast with black17:1WCAG normal text: AAA
Greyscale equivalent#DBDBDB
Inverted#A40010
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.24:1WCAG large text: Fail
Contrast with black, large text17:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FF5B6B
Analogous#5BFF9D, #5BBDFF
Triadic#EF5BFF, #FFEF5B
Split complementary#FF5BBD, #FF9D5B
Tetradic#9D5BFF, #FF5B6B, #BDFF5B
Tints, shades & saturation
Channel breakdown
R91
G255
B239
Red91 (35.7%)
Green255 (100%)
Blue239 (93.7%)
Hue174.15°
Saturation (HSL)100%
Lightness67.84%
Dominant channelGreen
Hex per channelR 5B · G FF · B EF
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