Recognised as Colour
#ACC405
- #ACC405
- Yellow
- Dark
- Nearest: Yellow green
#ACC405 is a yellow with RGB values 172, 196, 5 and HSL 68°, 95%, 39%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Yellow green.
Colour values
#ACC405#ACC405
HEX#ACC405
RGBrgb(172, 196, 5)
RGB (0–1)0.6745, 0.7686, 0.0196
RGB percentages67.5%, 76.9%, 2%
HSLhsl(67.5, 95%, 39.4%)
HSV / HSBhsv(67.5, 97.4%, 76.9%)
CMYK12.2%, 0%, 97.4%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,322,373
CSS custom property--colour: #ACC405;
Brightness & contrast
Relative luminance0.48261WCAG 2.x, 0 is black and 1 is white
Perceived brightness177.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.65:1
Contrast with white1.97:1WCAG normal text: Fail
Contrast with black10.65:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#533BFA
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.97:1WCAG large text: Fail
Contrast with black, large text10.65:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1D05C4
Analogous#C47D05, #4DC405
Triadic#05ACC4, #C405AC
Split complementary#054CC4, #7D05C4
Tetradic#05C47D, #1D05C4, #C4054C
Tints, shades & saturation
Channel breakdown
R172
G196
B5
Red172 (67.5%)
Green196 (76.9%)
Blue5 (2%)
Hue67.54°
Saturation (HSL)95.02%
Lightness39.41%
Dominant channelGreen
Hex per channelR AC · G C4 · B 05
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Harmonies
Similar named colours
Also reads as
AcC405 (chemical formula)
- Formula
- 5,091.455 g/mol
- 406 atoms
AcC405 has a molar mass of 5,091.455 g/mol, made up of 406 atoms across 2 elements: 1 × Ac, 405 × C.
Molar mass
Molar mass5,091.455 g/mol
Total atoms per molecule406
Distinct elements2
Mass of one molecule8.4545599 × 10^-21 g
Molecules per gram1.1827937 × 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
Ac4.5%
C95.5%
Actinium (Ac)227 g/mol, 4.458%
Carbon (C × 405)4,864.455 g/mol, 95.542%
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