Recognised as Colour
#30FFDF
- #30FFDF
- Cyan
- Light
- Nearest: Aquamarine
#30FFDF is a cyan with RGB values 48, 255, 223 and HSL 171°, 100%, 59%. It is a light colour, so black text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.
Colour values
#30FFDF#30FFDF
HEX#30FFDF
RGBrgb(48, 255, 223)
RGB (0–1)0.1882, 1, 0.8745
RGB percentages18.8%, 100%, 87.5%
HSLhsl(170.7, 100%, 59.4%)
HSV / HSBhsv(170.7, 81.2%, 100%)
CMYK81.2%, 0%, 12.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,211,231
CSS custom property--colour: #30FFDF;
Brightness & contrast
Relative luminance0.77476WCAG 2.x, 0 is black and 1 is white
Perceived brightness211 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.5:1
Contrast with white1.27:1WCAG normal text: Fail
Contrast with black16.5:1WCAG normal text: AAA
Greyscale equivalent#D1D1D1
Inverted#CF0020
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.27:1WCAG large text: Fail
Contrast with black, large text16.5:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FF3050
Analogous#30FF78, #30B7FF
Triadic#DF30FF, #FFDF30
Split complementary#FF30B7, #FF7830
Tetradic#7830FF, #FF3050, #B7FF30
Tints, shades & saturation
Channel breakdown
R48
G255
B223
Red48 (18.8%)
Green255 (100%)
Blue223 (87.5%)
Hue170.72°
Saturation (HSL)100%
Lightness59.41%
Dominant channelGreen
Hex per channelR 30 · G FF · B DF
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