Recognised as Colour
#FB6599
- #FB6599
- Red
- Dark
- Nearest: Hot pink
#FB6599 is a red with RGB values 251, 101, 153 and HSL 339°, 95%, 69%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Hot pink.
Colour values
#FB6599#FB6599
HEX#FB6599
RGBrgb(251, 101, 153)
RGB (0–1)0.9843, 0.3961, 0.6
RGB percentages98.4%, 39.6%, 60%
HSLhsl(339.2, 94.9%, 69%)
HSV / HSBhsv(339.2, 59.8%, 98.4%)
CMYK0%, 59.8%, 39%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,475,545
CSS custom property--colour: #FB6599;
Brightness & contrast
Relative luminance0.32116WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.42:1
Contrast with white2.83:1WCAG normal text: Fail
Contrast with black7.42:1WCAG normal text: AAA
Greyscale equivalent#898989
Inverted#049A66
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.83:1WCAG large text: Fail
Contrast with black, large text7.42:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#65FBC7
Analogous#FB65E4, #FB7C65
Triadic#99FB65, #6599FB
Split complementary#65FB7C, #65E4FB
Tetradic#E4FB65, #65FBC7, #7C65FB
Tints, shades & saturation
Channel breakdown
R251
G101
B153
Red251 (98.4%)
Green101 (39.6%)
Blue153 (60%)
Hue339.2°
Saturation (HSL)94.94%
Lightness69.02%
Dominant channelRed
Hex per channelR FB · G 65 · B 99
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Harmonies
Similar named colours
Also reads as
FB6599 (chemical formula)
- Formula
- 71,354.188 g/mol
- 6600 atoms
FB6599 has a molar mass of 71,354.188 g/mol, made up of 6600 atoms across 2 elements: 1 × F, 6599 × B.
Molar mass
Molar mass71,354.188 g/mol
Total atoms per molecule6600
Distinct elements2
Mass of one molecule1.1848642 × 10^-19 g
Molecules per gram8.439786 × 10^18
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
F0%
B100%
Fluorine (F)18.998 g/mol, 0.027%
Boron (B × 6599)71,335.19 g/mol, 99.973%
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