Recognised as Colour

#FE5030

#FE5030
Red
Dark
Nearest: Tomato

#FE5030 is a red with RGB values 254, 80, 48 and HSL 9°, 99%, 59%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FE5030#FE5030

HEX#FE5030

RGBrgb(254, 80, 48)

RGB (0–1)0.9961, 0.3137, 0.1882

RGB percentages99.6%, 31.4%, 18.8%

HSLhsl(9.3, 99%, 59.2%)

HSV / HSBhsv(9.3, 81.1%, 99.6%)

CMYK0%, 68.5%, 81.1%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,666,672

CSS custom property--colour: #FE5030;

Brightness & contrast

Relative luminance0.27022WCAG 2.x, 0 is black and 1 is white

Perceived brightness152.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.4:1

Contrast with white3.28:1WCAG normal text: Fail

Contrast with black6.4:1WCAG normal text: AA

Greyscale equivalent#737373

Inverted#01AFCF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#84752Ano red cones; affects about 1% of men; ΔE 69.6 from the original

Deuteranopia#AF9C27no green cones; the most common form, about 1% of men; ΔE 70.1 from the original

Tritanopia#FF044Ano blue cones; rare, and affects men and women equally; ΔE 26.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.28:1WCAG large text: AA

Contrast with black, large text6.4:1WCAG large text: AAA

Named colours

Tomato · ΔE 10.9 Orange red · ΔE 14.9 Red · ΔE 21 Coral · ΔE 21.9 Crimson · ΔE 25 Firebrick · ΔE 27.4

Nearest named CSS colourTomato (#FF6347)ΔE 10.9, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#30DEFE

Analogous#FE3077, #FEB730

Triadic#30FE50, #5030FE

Split complementary#30FEB7, #3077FE

Tetradic#77FE30, #30DEFE, #B730FE

Tints, shades & saturation

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

Lighter +40%#FFFCFB

Lighter +30%#FFD1C8

Lighter +20%#FEA696

Lighter +10%#FE7B63

Darker −10%#FA2801

Darker −20%#C72001

Darker −30%#941801

Darker −40%#621000

More saturated +25%#FF4F2F

Less saturated −25%#E4624A

Channel breakdown

R254

G80

B48

Red254 (99.6%)

Green80 (31.4%)

Blue48 (18.8%)

Hue9.32°

Saturation (HSL)99.04%

Lightness59.22%

Dominant channelRed

Hex per channelR FE · G 50 · B 30

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe5030 (chemical formula)

Formula
280,900.35 g/mol
5030 atoms

Fe5030 has a molar mass of 280,900.35 g/mol, made up of 5030 atoms across 1 element: 5030 × Fe.

Open this reading on its own page →

Molar mass

Molar mass280,900.35 g/mol

Total atoms per molecule5030

Distinct elements1

Mass of one molecule4.6644601 × 10^-19 g

Molecules per gram2.1438709 × 10^18

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

Fe100%

Iron (Fe × 5030)280,900.35 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Iron

Nerdulate something else

Nothing in mind? Surprise me · today’s page