Recognised as Colour
#CFCD31
- #CFCD31
- Yellow
- Light
- Nearest: Gold
#CFCD31 is a yellow with RGB values 207, 205, 49 and HSL 59°, 62%, 50%. It is a light colour, so black text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Gold.
Colour values
#CFCD31#CFCD31
HEX#CFCD31
RGBrgb(207, 205, 49)
RGB (0–1)0.8118, 0.8039, 0.1922
RGB percentages81.2%, 80.4%, 19.2%
HSLhsl(59.2, 62.2%, 50.2%)
HSV / HSBhsv(59.2, 76.3%, 81.2%)
CMYK0%, 1%, 76.3%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,618,481
CSS custom property--colour: #CFCD31;
Brightness & contrast
Relative luminance0.5715WCAG 2.x, 0 is black and 1 is white
Perceived brightness194.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.43:1
Contrast with white1.69:1WCAG normal text: Fail
Contrast with black12.43:1WCAG normal text: AAA
Greyscale equivalent#C2C2C2
Inverted#3032CE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.69:1WCAG large text: Fail
Contrast with black, large text12.43:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3133CF
Analogous#CF7E31, #82CF31
Triadic#31CFCD, #CD31CF
Split complementary#3182CF, #7E31CF
Tetradic#31CF7E, #3133CF, #CF3182
Tints, shades & saturation
Channel breakdown
R207
G205
B49
Red207 (81.2%)
Green205 (80.4%)
Blue49 (19.2%)
Hue59.24°
Saturation (HSL)62.2%
Lightness50.2%
Dominant channelRed
Hex per channelR CF · G CD · B 31
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Also reads as
CFCd31 (chemical formula)
- Formula
- 3,515.719 g/mol
- 33 atoms
CFCd31 has a molar mass of 3,515.719 g/mol, made up of 33 atoms across 3 elements: 1 × C, 1 × F, 31 × Cd.
Molar mass
Molar mass3,515.719 g/mol
Total atoms per molecule33
Distinct elements3
Mass of one molecule5.8379887 × 10^-21 g
Molecules per gram1.7129187 × 10^20
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
C0.3%
F0.5%
Cd99.1%
Carbon (C)12.011 g/mol, 0.342%
Fluorine (F)18.998 g/mol, 0.54%
Cadmium (Cd × 31)3,484.71 g/mol, 99.118%
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