Recognised as Colour

#FFF56B

#FFF56B
Yellow
Light
Nearest: Khaki

#FFF56B is a yellow with RGB values 255, 245, 107 and HSL 56°, 100%, 71%. It is a light colour, so black text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FFF56B#FFF56B

HEX#FFF56B

RGBrgb(255, 245, 107)

RGB (0–1)1, 0.9608, 0.4196

RGB percentages100%, 96.1%, 42%

HSLhsl(55.9, 100%, 71%)

HSV / HSBhsv(55.9, 58%, 100%)

CMYK0%, 3.9%, 58%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,774,507

CSS custom property--colour: #FFF56B;

Brightness & contrast

Relative luminance0.87626WCAG 2.x, 0 is black and 1 is white

Perceived brightness236.6 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.53:1

Contrast with white1.13:1WCAG normal text: Fail

Contrast with black18.53:1WCAG normal text: AAA

Greyscale equivalent#EDEDED

Inverted#000A94

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFED5Cno red cones; affects about 1% of men; ΔE 5.4 from the original

Deuteranopia#FFF472no green cones; the most common form, about 1% of men; ΔE 3.4 from the original

Tritanopia#FFE6D7no blue cones; rare, and affects men and women equally; ΔE 59 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.13:1WCAG large text: Fail

Contrast with black, large text18.53:1WCAG large text: AAA

Named colours

Khaki · ΔE 22 Gold · ΔE 25.3 Yellow · ΔE 29.7 Yellow green · ΔE 30.9 Goldenrod · ΔE 32.7 Dark khaki · ΔE 34.7

Nearest named CSS colourKhaki (#F0E68C)ΔE 22.01, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6B75FF

Analogous#FFAB6B, #BFFF6B

Triadic#6BFFF5, #F56BFF

Split complementary#6BBFFF, #AB6BFF

Tetradic#6BFFAB, #6B75FF, #FF6BBF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFCD1

Lighter +10%#FFF89E

Darker −10%#FFF238

Darker −20%#FFEE05

Darker −30%#D1C300

Darker −40%#9E9300

More saturated +25%#FFF56B

Less saturated −25%#EDE57E

Channel breakdown

R255

G245

B107

Red255 (100%)

Green245 (96.1%)

Blue107 (42%)

Hue55.95°

Saturation (HSL)100%

Lightness70.98%

Dominant channelRed

Hex per channelR FF · G F5 · B 6B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF56B (chemical formula)

Formula
1,112.694 g/mol
59 atoms

FFF56B has a molar mass of 1,112.694 g/mol, made up of 59 atoms across 2 elements: 58 × F, 1 × B.

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Molar mass

Molar mass1,112.694 g/mol

Total atoms per molecule59

Distinct elements2

Mass of one molecule1.8476719 × 10^-21 g

Molecules per gram5.4122164 × 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

F99%

B1%

Fluorine (F × 58)1,101.884 g/mol, 99.028%

Boron (B)10.81 g/mol, 0.972%

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