Recognised as Colour
#CDAC19
- #CDAC19
- Yellow
- Dark
- Nearest: Goldenrod
#CDAC19 is a yellow with RGB values 205, 172, 25 and HSL 49°, 78%, 45%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#CDAC19#CDAC19
HEX#CDAC19
RGBrgb(205, 172, 25)
RGB (0–1)0.8039, 0.6745, 0.098
RGB percentages80.4%, 67.5%, 9.8%
HSLhsl(49, 78.3%, 45.1%)
HSV / HSBhsv(49, 87.8%, 80.4%)
CMYK0%, 16.1%, 87.8%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,478,937
CSS custom property--colour: #CDAC19;
Brightness & contrast
Relative luminance0.42554WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.51:1
Contrast with white2.21:1WCAG normal text: Fail
Contrast with black9.51:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#3253E6
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.21:1WCAG large text: Fail
Contrast with black, large text9.51:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#193ACD
Analogous#CD5219, #94CD19
Triadic#19CDAC, #AC19CD
Split complementary#1994CD, #5219CD
Tetradic#19CD52, #193ACD, #CD1994
Tints, shades & saturation
Channel breakdown
R205
G172
B25
Red205 (80.4%)
Green172 (67.5%)
Blue25 (9.8%)
Hue49°
Saturation (HSL)78.26%
Lightness45.1%
Dominant channelRed
Hex per channelR CD · G AC · B 19
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Also reads as
CdAc19 (chemical formula)
- Formula
- 4,425.41 g/mol
- 20 atoms
CdAc19 has a molar mass of 4,425.41 g/mol, made up of 20 atoms across 2 elements: 1 × Cd, 19 × Ac.
Molar mass
Molar mass4,425.41 g/mol
Total atoms per molecule20
Distinct elements2
Mass of one molecule7.3485662 × 10^-21 g
Molecules per gram1.3608097 × 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
Cd2.5%
Ac97.5%
Cadmium (Cd)112.41 g/mol, 2.54%
Actinium (Ac × 19)4,313 g/mol, 97.46%
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