Recognised as Colour
#CF9121
- #CF9121
- Orange
- Dark
- Nearest: Dark goldenrod
#CF9121 is a orange with RGB values 207, 145, 33 and HSL 39°, 73%, 47%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#CF9121#CF9121
HEX#CF9121
RGBrgb(207, 145, 33)
RGB (0–1)0.8118, 0.5686, 0.1294
RGB percentages81.2%, 56.9%, 12.9%
HSLhsl(38.6, 72.5%, 47.1%)
HSV / HSBhsv(38.6, 84.1%, 81.2%)
CMYK0%, 30%, 84.1%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,603,105
CSS custom property--colour: #CF9121;
Brightness & contrast
Relative luminance0.33626WCAG 2.x, 0 is black and 1 is white
Perceived brightness159 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.73:1
Contrast with white2.72:1WCAG normal text: Fail
Contrast with black7.73:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#306EDE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.72:1WCAG large text: Fail
Contrast with black, large text7.73:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#215FCF
Analogous#CF3A21, #B6CF21
Triadic#21CF91, #9121CF
Split complementary#21B6CF, #3A21CF
Tetradic#21CF3A, #215FCF, #CF21B6
Tints, shades & saturation
Channel breakdown
R207
G145
B33
Red207 (81.2%)
Green145 (56.9%)
Blue33 (12.9%)
Hue38.62°
Saturation (HSL)72.5%
Lightness47.06%
Dominant channelRed
Hex per channelR CF · G 91 · B 21
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Harmonies
Similar named colours
Also reads as
CF9121 (chemical formula)
- Formula
- 173,292.769 g/mol
- 9122 atoms
CF9121 has a molar mass of 173,292.769 g/mol, made up of 9122 atoms across 2 elements: 1 × C, 9121 × F.
Molar mass
Molar mass173,292.769 g/mol
Total atoms per molecule9122
Distinct elements2
Mass of one molecule2.8775941 × 10^-19 g
Molecules per gram3.4751252 × 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
C0%
F100%
Carbon (C)12.011 g/mol, 0.007%
Fluorine (F × 9121)173,280.758 g/mol, 99.993%
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