Recognised as Colour

#ACC504

#ACC504
Yellow
Dark
Nearest: Yellow green

#ACC504 is a yellow with RGB values 172, 197, 4 and HSL 68°, 96%, 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

#ACC504#ACC504

HEX#ACC504

RGBrgb(172, 197, 4)

RGB (0–1)0.6745, 0.7725, 0.0157

RGB percentages67.5%, 77.3%, 1.6%

HSLhsl(67.8, 96%, 39.4%)

HSV / HSBhsv(67.8, 98%, 77.3%)

CMYK12.7%, 0%, 98%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,322,628

CSS custom property--colour: #ACC504;

Brightness & contrast

Relative luminance0.48712WCAG 2.x, 0 is black and 1 is white

Perceived brightness177.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.74:1

Contrast with white1.95:1WCAG normal text: Fail

Contrast with black10.74:1WCAG normal text: AAA

Greyscale equivalent#B2B2B2

Inverted#533AFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D3B900no red cones; affects about 1% of men; ΔE 22.8 from the original

Deuteranopia#D0BA27no green cones; the most common form, about 1% of men; ΔE 22.2 from the original

Tritanopia#B7B9A7no blue cones; rare, and affects men and women equally; ΔE 70.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.95:1WCAG large text: Fail

Contrast with black, large text10.74:1WCAG large text: AAA

Named colours

Yellow green · ΔE 13 Yellow · ΔE 30 Green yellow · ΔE 30.1 Gold · ΔE 31.3 Olivedrab · ΔE 32.8 Olive · ΔE 33.5

Nearest named CSS colourYellow green (#9ACD32)ΔE 12.96, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#1D04C5

Analogous#C57D04, #4CC504

Triadic#04ACC5, #C504AC

Split complementary#044CC5, #7D04C5

Tetradic#04C57D, #1D04C5, #C5044C

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#F0FD98

Lighter +30%#E8FC66

Lighter +20%#E1FB34

Lighter +10%#D8F705

Darker −10%#809303

Darker −20%#556102

Darker −30%#292F01

Darker −40%#000000

More saturated +25%#AFC900

Less saturated −25%#99AC1D

Channel breakdown

R172

G197

Red172 (67.5%)

Green197 (77.3%)

Blue4 (1.6%)

Hue67.77°

Saturation (HSL)96.02%

Lightness39.41%

Dominant channelGreen

Hex per channelR AC · G C5 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

AcC504 (chemical formula)

Formula
6,280.544 g/mol
505 atoms

AcC504 has a molar mass of 6,280.544 g/mol, made up of 505 atoms across 2 elements: 1 × Ac, 504 × C.

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Molar mass

Molar mass6,280.544 g/mol

Total atoms per molecule505

Distinct elements2

Mass of one molecule1.0429089 × 10^-20 g

Molecules per gram9.5885655 × 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

Ac3.6%

C96.4%

Actinium (Ac)227 g/mol, 3.614%

Carbon (C × 504)6,053.544 g/mol, 96.386%

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