Recognised as Colour

#FECA66

#FECA66
Orange
Light
Nearest: Goldenrod

#FECA66 is a orange with RGB values 254, 202, 102 and HSL 39°, 99%, 70%. It is a light colour, so black text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#FECA66#FECA66

HEX#FECA66

RGBrgb(254, 202, 102)

RGB (0–1)0.9961, 0.7922, 0.4

RGB percentages99.6%, 79.2%, 40%

HSLhsl(39.5, 98.7%, 69.8%)

HSV / HSBhsv(39.5, 59.8%, 99.6%)

CMYK0%, 20.5%, 59.8%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,697,958

CSS custom property--colour: #FECA66;

Brightness & contrast

Relative luminance0.64271WCAG 2.x, 0 is black and 1 is white

Perceived brightness210.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.85:1

Contrast with white1.52:1WCAG normal text: Fail

Contrast with black13.85:1WCAG normal text: AAA

Greyscale equivalent#CECECE

Inverted#013599

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E0CA5Cno red cones; affects about 1% of men; ΔE 13.4 from the original

Deuteranopia#ECD769no green cones; the most common form, about 1% of men; ΔE 13.9 from the original

Tritanopia#FFBAB3no blue cones; rare, and affects men and women equally; ΔE 45.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.52:1WCAG large text: Fail

Contrast with black, large text13.85:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 18.5 Sandy brown · ΔE 20.6 Khaki · ΔE 20.9 Dark khaki · ΔE 25.8 Dark goldenrod · ΔE 25.9 Burlywood · ΔE 26.9

Nearest named CSS colourGoldenrod (#DAA520)ΔE 18.45, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#669AFE

Analogous#FE7E66, #E6FE66

Triadic#66FECA, #CA66FE

Split complementary#66E6FE, #7E66FE

Tetradic#66FE7E, #669AFE, #FE66E6

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFE

Lighter +20%#FFEDCB

Lighter +10%#FEDC99

Darker −10%#FEB833

Darker −20%#FCA702

Darker −30%#CA8501

Darker −40%#976401

More saturated +25%#FFCA65

Less saturated −25%#EBC479

Channel breakdown

R254

G202

B102

Red254 (99.6%)

Green202 (79.2%)

Blue102 (40%)

Hue39.47°

Saturation (HSL)98.7%

Lightness69.8%

Dominant channelRed

Hex per channelR FE · G CA · B 66

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FeCa66 (chemical formula)

Formula
2,700.993 g/mol
67 atoms

FeCa66 has a molar mass of 2,700.993 g/mol, made up of 67 atoms across 2 elements: 1 × Fe, 66 × Ca.

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Molar mass

Molar mass2,700.993 g/mol

Total atoms per molecule67

Distinct elements2

Mass of one molecule4.4851044 × 10^-21 g

Molecules per gram2.2296025 × 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

Fe2.1%

Ca97.9%

Iron (Fe)55.845 g/mol, 2.068%

Calcium (Ca × 66)2,645.148 g/mol, 97.932%

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Elements in this formula

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