Recognised as Colour
#30FFDD
- #30FFDD
- Cyan
- Light
- Nearest: Aquamarine
#30FFDD is a cyan with RGB values 48, 255, 221 and HSL 170°, 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
#30FFDD#30FFDD
HEX#30FFDD
RGBrgb(48, 255, 221)
RGB (0–1)0.1882, 1, 0.8667
RGB percentages18.8%, 100%, 86.7%
HSLhsl(170.1, 100%, 59.4%)
HSV / HSBhsv(170.1, 81.2%, 100%)
CMYK81.2%, 0%, 13.3%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,211,229
CSS custom property--colour: #30FFDD;
Brightness & contrast
Relative luminance0.77369WCAG 2.x, 0 is black and 1 is white
Perceived brightness210.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.47:1
Contrast with white1.27:1WCAG normal text: Fail
Contrast with black16.47:1WCAG normal text: AAA
Greyscale equivalent#D1D1D1
Inverted#CF0022
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 text16.47:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FF3052
Analogous#30FF75, #30BAFF
Triadic#DD30FF, #FFDD30
Split complementary#FF30B9, #FF7630
Tetradic#7630FF, #FF3052, #BAFF30
Tints, shades & saturation
Channel breakdown
R48
G255
B221
Red48 (18.8%)
Green255 (100%)
Blue221 (86.7%)
Hue170.14°
Saturation (HSL)100%
Lightness59.41%
Dominant channelGreen
Hex per channelR 30 · G FF · B DD
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