Recognised as Colour
#C1AC38
- #C1AC38
- Yellow
- Dark
- Nearest: Goldenrod
#C1AC38 is a yellow with RGB values 193, 172, 56 and HSL 51°, 55%, 49%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#C1AC38#C1AC38
HEX#C1AC38
RGBrgb(193, 172, 56)
RGB (0–1)0.7569, 0.6745, 0.2196
RGB percentages75.7%, 67.5%, 22%
HSLhsl(50.8, 55%, 48.8%)
HSV / HSBhsv(50.8, 71%, 75.7%)
CMYK0%, 10.9%, 71%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,692,536
CSS custom property--colour: #C1AC38;
Brightness & contrast
Relative luminance0.41128WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.23:1
Contrast with white2.28:1WCAG normal text: Fail
Contrast with black9.23:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#3E53C7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.28:1WCAG large text: Fail
Contrast with black, large text9.23:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#384DC1
Analogous#C16838, #92C138
Triadic#38C1AC, #AC38C1
Split complementary#3891C1, #6838C1
Tetradic#38C168, #384DC1, #C13891
Tints, shades & saturation
Channel breakdown
R193
G172
B56
Red193 (75.7%)
Green172 (67.5%)
Blue56 (22%)
Hue50.8°
Saturation (HSL)55.02%
Lightness48.82%
Dominant channelRed
Hex per channelR C1 · G AC · B 38
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Harmonies
Similar named colours
Also reads as
C1Ac38 (chemical formula)
- Formula
- 8,638.011 g/mol
- 39 atoms
C1Ac38 has a molar mass of 8,638.011 g/mol, made up of 39 atoms across 2 elements: 1 × C, 38 × Ac.
Molar mass
Molar mass8,638.011 g/mol
Total atoms per molecule39
Distinct elements2
Mass of one molecule1.4343755 × 10^-20 g
Molecules per gram6.9716753 × 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
C0.1%
Ac99.9%
Carbon (C)12.011 g/mol, 0.139%
Actinium (Ac × 38)8,626 g/mol, 99.861%
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