Recognised as Colour
#F17955
- #F17955
- Red
- Dark
- Nearest: Coral
#F17955 is a red with RGB values 241, 121, 85 and HSL 14°, 85%, 64%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Coral.
Colour values
#F17955#F17955
HEX#F17955
RGBrgb(241, 121, 85)
RGB (0–1)0.9451, 0.4745, 0.3333
RGB percentages94.5%, 47.5%, 33.3%
HSLhsl(13.8, 84.8%, 63.9%)
HSV / HSBhsv(13.8, 64.7%, 94.5%)
CMYK0%, 49.8%, 64.7%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,825,237
CSS custom property--colour: #F17955;
Brightness & contrast
Relative luminance0.33031WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.61:1
Contrast with white2.76:1WCAG normal text: Fail
Contrast with black7.61:1WCAG normal text: AAA
Greyscale equivalent#909090
Inverted#0E86AA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.76:1WCAG large text: Fail
Contrast with black, large text7.61:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#55CDF1
Analogous#F1557F, #F1C755
Triadic#55F179, #7955F1
Split complementary#55F1C7, #557FF1
Tetradic#7FF155, #55CDF1, #C755F1
Tints, shades & saturation
Channel breakdown
R241
G121
B85
Red241 (94.5%)
Green121 (47.5%)
Blue85 (33.3%)
Hue13.85°
Saturation (HSL)84.78%
Lightness63.92%
Dominant channelRed
Hex per channelR F1 · G 79 · B 55
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Also reads as
F17955 (chemical formula)
- Formula
- 341,109.09 g/mol
- 17955 atoms
F17955 has a molar mass of 341,109.09 g/mol, made up of 17955 atoms across 1 element: 17955 × F.
Molar mass
Molar mass341,109.09 g/mol
Total atoms per molecule17955
Distinct elements1
Mass of one molecule5.6642497 × 10^-19 g
Molecules per gram1.7654589 × 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
F100%
Fluorine (F × 17955)341,109.09 g/mol, 100%
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