Recognised as Colour
#CCB509
- #CCB509
- Yellow
- Dark
- Nearest: Goldenrod
#CCB509 is a yellow with RGB values 204, 181, 9 and HSL 53°, 92%, 42%. It is a dark colour, so black text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#CCB509#CCB509
HEX#CCB509
RGBrgb(204, 181, 9)
RGB (0–1)0.8, 0.7098, 0.0353
RGB percentages80%, 71%, 3.5%
HSLhsl(52.9, 91.5%, 41.8%)
HSV / HSBhsv(52.9, 95.6%, 80%)
CMYK0%, 11.3%, 95.6%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,415,689
CSS custom property--colour: #CCB509;
Brightness & contrast
Relative luminance0.45905WCAG 2.x, 0 is black and 1 is white
Perceived brightness178 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.18:1
Contrast with white2.06:1WCAG normal text: Fail
Contrast with black10.18:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#334AF6
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.06:1WCAG large text: Fail
Contrast with black, large text10.18:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0920CC
Analogous#CC5309, #82CC09
Triadic#09CCB5, #B509CC
Split complementary#0982CC, #5309CC
Tetradic#09CC53, #0920CC, #CC0982
Tints, shades & saturation
Channel breakdown
R204
G181
B9
Red204 (80%)
Green181 (71%)
Blue9 (3.5%)
Hue52.92°
Saturation (HSL)91.55%
Lightness41.76%
Dominant channelRed
Hex per channelR CC · G B5 · B 09
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Also reads as
CCB509 (chemical formula)
- Formula
- 5,526.312 g/mol
- 511 atoms
CCB509 has a molar mass of 5,526.312 g/mol, made up of 511 atoms across 2 elements: 2 × C, 509 × B.
Molar mass
Molar mass5,526.312 g/mol
Total atoms per molecule511
Distinct elements2
Mass of one molecule9.176657 × 10^-21 g
Molecules per gram1.0897215 × 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
C0.4%
B99.6%
Carbon (C × 2)24.022 g/mol, 0.435%
Boron (B × 509)5,502.29 g/mol, 99.565%
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