Recognised as Colour
#CCA721
- #CCA721
- Yellow
- Dark
- Nearest: Goldenrod
#CCA721 is a yellow with RGB values 204, 167, 33 and HSL 47°, 72%, 46%. It is a dark colour, so black text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#CCA721#CCA721
HEX#CCA721
RGBrgb(204, 167, 33)
RGB (0–1)0.8, 0.6549, 0.1294
RGB percentages80%, 65.5%, 12.9%
HSLhsl(47, 72.2%, 46.5%)
HSV / HSBhsv(47, 83.8%, 80%)
CMYK0%, 18.1%, 83.8%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,412,129
CSS custom property--colour: #CCA721;
Brightness & contrast
Relative luminance0.40585WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.12:1
Contrast with white2.3:1WCAG normal text: Fail
Contrast with black9.12:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#3358DE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.3:1WCAG large text: Fail
Contrast with black, large text9.12:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2146CC
Analogous#CC5121, #9CCC21
Triadic#21CCA7, #A721CC
Split complementary#219CCC, #5121CC
Tetradic#21CC51, #2146CC, #CC219C
Tints, shades & saturation
Channel breakdown
R204
G167
B33
Red204 (80%)
Green167 (65.5%)
Blue33 (12.9%)
Hue47.02°
Saturation (HSL)72.15%
Lightness46.47%
Dominant channelRed
Hex per channelR CC · G A7 · B 21
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Also reads as
CCa721 (chemical formula)
- Formula
- 28,908.249 g/mol
- 722 atoms
CCa721 has a molar mass of 28,908.249 g/mol, made up of 722 atoms across 2 elements: 1 × C, 721 × Ca.
Molar mass
Molar mass28,908.249 g/mol
Total atoms per molecule722
Distinct elements2
Mass of one molecule4.8003277 × 10^-20 g
Molecules per gram2.0831911 × 10^19
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%
Ca100%
Carbon (C)12.011 g/mol, 0.042%
Calcium (Ca × 721)28,896.238 g/mol, 99.958%
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