Recognised as Colour
#FDB643
- #FDB643
- Orange
- Light
- Nearest: Goldenrod
#FDB643 is a orange with RGB values 253, 182, 67 and HSL 37°, 98%, 63%. It is a light colour, so black text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#FDB643#FDB643
HEX#FDB643
RGBrgb(253, 182, 67)
RGB (0–1)0.9922, 0.7137, 0.2627
RGB percentages99.2%, 71.4%, 26.3%
HSLhsl(37.1, 97.9%, 62.7%)
HSV / HSBhsv(37.1, 73.5%, 99.2%)
CMYK0%, 28.1%, 73.5%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,627,267
CSS custom property--colour: #FDB643;
Brightness & contrast
Relative luminance0.54744WCAG 2.x, 0 is black and 1 is white
Perceived brightness197.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.95:1
Contrast with white1.76:1WCAG normal text: Fail
Contrast with black11.95:1WCAG normal text: AAA
Greyscale equivalent#BDBDBD
Inverted#0249BC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.76:1WCAG large text: Fail
Contrast with black, large text11.95:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#438AFD
Analogous#FD5943, #E7FD43
Triadic#43FDB6, #B643FD
Split complementary#43E7FD, #5943FD
Tetradic#43FD59, #438AFD, #FD43E7
Tints, shades & saturation
Channel breakdown
R253
G182
B67
Red253 (99.2%)
Green182 (71.4%)
Blue67 (26.3%)
Hue37.1°
Saturation (HSL)97.89%
Lightness62.75%
Dominant channelRed
Hex per channelR FD · G B6 · B 43
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Harmonies
Similar named colours
Also reads as
FDb643 (chemical formula)
- Formula
- 172,342.998 g/mol
- 644 atoms
FDb643 has a molar mass of 172,342.998 g/mol, made up of 644 atoms across 2 elements: 1 × F, 643 × Db.
Molar mass
Molar mass172,342.998 g/mol
Total atoms per molecule644
Distinct elements2
Mass of one molecule2.8618228 × 10^-19 g
Molecules per gram3.4942764 × 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
F0%
Db100%
Fluorine (F)18.998 g/mol, 0.011%
Dubnium (Db × 643)172,324 g/mol, 99.989%
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