Recognised as Colour
#F1999B
- #F1999B
- Red
- Dark
- Nearest: Light pink
#F1999B is a red with RGB values 241, 153, 155 and HSL 359°, 76%, 77%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Light pink.
Colour values
#F1999B#F1999B
HEX#F1999B
RGBrgb(241, 153, 155)
RGB (0–1)0.9451, 0.6, 0.6078
RGB percentages94.5%, 60%, 60.8%
HSLhsl(358.6, 75.9%, 77.3%)
HSV / HSBhsv(358.6, 36.5%, 94.5%)
CMYK0%, 36.5%, 35.7%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,833,499
CSS custom property--colour: #F1999B;
Brightness & contrast
Relative luminance0.4385WCAG 2.x, 0 is black and 1 is white
Perceived brightness184 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.77:1
Contrast with white2.15:1WCAG normal text: Fail
Contrast with black9.77:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#0E6664
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.15:1WCAG large text: Fail
Contrast with black, large text9.77:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#99F1EF
Analogous#F199C7, #F1C399
Triadic#9BF199, #999BF1
Split complementary#99F1C3, #99C7F1
Tetradic#C7F199, #99F1EF, #C399F1
Tints, shades & saturation
Channel breakdown
R241
G153
B155
Red241 (94.5%)
Green153 (60%)
Blue155 (60.8%)
Hue358.64°
Saturation (HSL)75.86%
Lightness77.25%
Dominant channelRed
Hex per channelR F1 · G 99 · B 9B
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Harmonies
Similar named colours
Also reads as
F1999B (chemical formula)
- Formula
- 37,987.812 g/mol
- 2000 atoms
F1999B has a molar mass of 37,987.812 g/mol, made up of 2000 atoms across 2 elements: 1999 × F, 1 × B.
Molar mass
Molar mass37,987.812 g/mol
Total atoms per molecule2000
Distinct elements2
Mass of one molecule6.3080246 × 10^-20 g
Molecules per gram1.5852823 × 10^19
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
F100%
B0%
Fluorine (F × 1999)37,977.002 g/mol, 99.972%
Boron (B)10.81 g/mol, 0.028%
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