Recognised as Colour
#FDB250
- #FDB250
- Orange
- Light
- Nearest: Sandy brown
#FDB250 is a orange with RGB values 253, 178, 80 and HSL 34°, 98%, 65%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.
Colour values
#FDB250#FDB250
HEX#FDB250
RGBrgb(253, 178, 80)
RGB (0–1)0.9922, 0.698, 0.3137
RGB percentages99.2%, 69.8%, 31.4%
HSLhsl(34, 97.7%, 65.3%)
HSV / HSBhsv(34, 68.4%, 99.2%)
CMYK0%, 29.6%, 68.4%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,626,256
CSS custom property--colour: #FDB250;
Brightness & contrast
Relative luminance0.53303WCAG 2.x, 0 is black and 1 is white
Perceived brightness196.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.66:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.66:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#024DAF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.8:1WCAG large text: Fail
Contrast with black, large text11.66:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#509BFD
Analogous#FD5B50, #F2FD50
Triadic#50FDB2, #B250FD
Split complementary#50F2FD, #5C50FD
Tetradic#50FD5B, #509BFD, #FD50F2
Tints, shades & saturation
Channel breakdown
R253
G178
B80
Red253 (99.2%)
Green178 (69.8%)
Blue80 (31.4%)
Hue33.99°
Saturation (HSL)97.74%
Lightness65.29%
Dominant channelRed
Hex per channelR FD · G B2 · B 50
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Also reads as
FDb250 (chemical formula)
- Formula
- 67,018.998 g/mol
- 251 atoms
FDb250 has a molar mass of 67,018.998 g/mol, made up of 251 atoms across 2 elements: 1 × F, 250 × Db.
Molar mass
Molar mass67,018.998 g/mol
Total atoms per molecule251
Distinct elements2
Mass of one molecule1.1128766 × 10^-19 g
Molecules per gram8.9857219 × 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, 0.028%
Dubnium (Db × 250)67,000 g/mol, 99.972%
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