Recognised as Colour

#F3CD3B

#F3CD3B
Yellow
Light
Nearest: Gold

#F3CD3B is a yellow with RGB values 243, 205, 59 and HSL 48°, 88%, 59%. It is a light colour, so black text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#F3CD3B#F3CD3B

HEX#F3CD3B

RGBrgb(243, 205, 59)

RGB (0–1)0.9529, 0.8039, 0.2314

RGB percentages95.3%, 80.4%, 23.1%

HSLhsl(47.6, 88.5%, 59.2%)

HSV / HSBhsv(47.6, 75.7%, 95.3%)

CMYK0%, 15.6%, 75.7%, 4.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,977,787

CSS custom property--colour: #F3CD3B;

Brightness & contrast

Relative luminance0.63033WCAG 2.x, 0 is black and 1 is white

Perceived brightness206.7 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.61:1

Contrast with white1.54:1WCAG normal text: Fail

Contrast with black13.61:1WCAG normal text: AAA

Greyscale equivalent#CBCBCB

Inverted#0C32C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E3C91Eno red cones; affects about 1% of men; ΔE 8.1 from the original

Deuteranopia#EDD544no green cones; the most common form, about 1% of men; ΔE 6.7 from the original

Tritanopia#FFBCB1no blue cones; rare, and affects men and women equally; ΔE 62.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.54:1WCAG large text: Fail

Contrast with black, large text13.61:1WCAG large text: AAA

Named colours

Gold · ΔE 15 Goldenrod · ΔE 16.2 Orange · ΔE 26.9 Dark goldenrod · ΔE 28.3 Khaki · ΔE 29.6 Yellow · ΔE 33.1

Nearest named CSS colourGold (#FFD700)ΔE 15, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B61F3

Analogous#F3713B, #BDF33B

Triadic#3BF3CD, #CD3BF3

Split complementary#3BBDF3, #713BF3

Tetradic#3BF371, #3B61F3, #F33BBD

Tints, shades & saturation

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

Lighter +40%#FFFEFB

Lighter +30%#FCF2CB

Lighter +20%#F9E69B

Lighter +10%#F6D96B

Darker −10%#EDBF0E

Darker −20%#BC980C

Darker −30%#8C7109

Darker −40%#5C4A06

More saturated +25%#FFD42F

Less saturated −25%#D9BE55

Channel breakdown

R243

G205

B59

Red243 (95.3%)

Green205 (80.4%)

Blue59 (23.1%)

Hue47.61°

Saturation (HSL)88.46%

Lightness59.22%

Dominant channelRed

Hex per channelR F3 · G CD · B 3B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F3Cd3B (chemical formula)

Formula
405.034 g/mol
7 atoms

F3Cd3B has a molar mass of 405.034 g/mol, made up of 7 atoms across 3 elements: 3 × F, 3 × Cd, 1 × B.

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Molar mass

Molar mass405.034 g/mol

Total atoms per molecule7

Distinct elements3

Mass of one molecule6.7257478 × 10^-22 g

Molecules per gram1.4868235 × 10^21

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

F14.1%

Cd83.3%

B2.7%

Fluorine (F × 3)56.994 g/mol, 14.071%

Cadmium (Cd × 3)337.23 g/mol, 83.26%

Boron (B)10.81 g/mol, 2.669%

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