Recognised as Colour
#FF9912
- #FF9912
- Orange
- Dark
- Nearest: Dark orange
#FF9912 is a orange with RGB values 255, 153, 18 and HSL 34°, 100%, 54%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#FF9912#FF9912
HEX#FF9912
RGBrgb(255, 153, 18)
RGB (0–1)1, 0.6, 0.0706
RGB percentages100%, 60%, 7.1%
HSLhsl(34.2, 100%, 53.5%)
HSV / HSBhsv(34.2, 92.9%, 100%)
CMYK0%, 40%, 92.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,750,866
CSS custom property--colour: #FF9912;
Brightness & contrast
Relative luminance0.44086WCAG 2.x, 0 is black and 1 is white
Perceived brightness182.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.82:1
Contrast with white2.14:1WCAG normal text: Fail
Contrast with black9.82:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#0066ED
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.14:1WCAG large text: Fail
Contrast with black, large text9.82:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1278FF
Analogous#FF2312, #EEFF12
Triadic#12FF99, #9912FF
Split complementary#12EEFF, #2312FF
Tetradic#12FF23, #1278FF, #FF12EE
Tints, shades & saturation
Channel breakdown
R255
G153
B18
Red255 (100%)
Green153 (60%)
Blue18 (7.1%)
Hue34.18°
Saturation (HSL)100%
Lightness53.53%
Dominant channelRed
Hex per channelR FF · G 99 · B 12
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Also reads as
FF9912 (chemical formula)
- Formula
- 188,327.174 g/mol
- 9913 atoms
FF9912 has a molar mass of 188,327.174 g/mol, made up of 9913 atoms across 1 element: 9913 × F.
Molar mass
Molar mass188,327.174 g/mol
Total atoms per molecule9913
Distinct elements1
Mass of one molecule3.1272463 × 10^-19 g
Molecules per gram3.1977014 × 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 × 9913)188,327.174 g/mol, 100%
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