Recognised as Colour
#FF91B4
- #FF91B4
- Red
- Dark
- Nearest: Pale violetred
#FF91B4 is a red with RGB values 255, 145, 180 and HSL 341°, 100%, 78%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Pale violetred.
Colour values
#FF91B4#FF91B4
HEX#FF91B4
RGBrgb(255, 145, 180)
RGB (0–1)1, 0.5686, 0.7059
RGB percentages100%, 56.9%, 70.6%
HSLhsl(340.9, 100%, 78.4%)
HSV / HSBhsv(340.9, 43.1%, 100%)
CMYK0%, 43.1%, 29.4%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,748,980
CSS custom property--colour: #FF91B4;
Brightness & contrast
Relative luminance0.44806WCAG 2.x, 0 is black and 1 is white
Perceived brightness188.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.96:1
Contrast with white2.11:1WCAG normal text: Fail
Contrast with black9.96:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#006E4B
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.11:1WCAG large text: Fail
Contrast with black, large text9.96:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#91FFDC
Analogous#FF91EB, #FFA591
Triadic#B4FF91, #91B4FF
Split complementary#91FFA5, #91EBFF
Tetradic#EBFF91, #91FFDC, #A591FF
Tints, shades & saturation
Channel breakdown
R255
G145
B180
Red255 (100%)
Green145 (56.9%)
Blue180 (70.6%)
Hue340.91°
Saturation (HSL)100%
Lightness78.43%
Dominant channelRed
Hex per channelR FF · G 91 · B B4
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Harmonies
Similar named colours
Also reads as
FF91B4 (chemical formula)
- Formula
- 1,791.056 g/mol
- 96 atoms
FF91B4 has a molar mass of 1,791.056 g/mol, made up of 96 atoms across 2 elements: 92 × F, 4 × B.
Molar mass
Molar mass1,791.056 g/mol
Total atoms per molecule96
Distinct elements2
Mass of one molecule2.9741185 × 10^-21 g
Molecules per gram3.3623409 × 10^20
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
F97.6%
B2.4%
Fluorine (F × 92)1,747.816 g/mol, 97.586%
Boron (B × 4)43.24 g/mol, 2.414%
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