Colour

#F54800

#F54800
Orange
Dark
Nearest: Orange red

#F54800 is a orange with RGB values 245, 72, 0 and HSL 18°, 100%, 48%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F54800#F54800

HEX#F54800

RGBrgb(245, 72, 0)

RGB (0–1)0.9608, 0.2824, 0

RGB percentages96.1%, 28.2%, 0%

HSLhsl(17.6, 100%, 48%)

HSV / HSBhsv(17.6, 100%, 96.1%)

CMYK0%, 70.6%, 100%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,074,752

CSS custom property--colour: #F54800;

Brightness & contrast

Relative luminance0.24047WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.81:1

Contrast with white3.61:1WCAG normal text: Fail

Contrast with black5.81:1WCAG normal text: AA

Greyscale equivalent#686868

Inverted#0AB7FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7E6E00no red cones; affects about 1% of men; ΔE 69.8 from the original

Deuteranopia#A89500no green cones; the most common form, about 1% of men; ΔE 69.7 from the original

Tritanopia#FF003Fno blue cones; rare, and affects men and women equally; ΔE 31.4 from the original

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

Contrast with white, large text3.61:1WCAG large text: AA

Contrast with black, large text5.81:1WCAG large text: AAA

Named colours

Orange red · ΔE 4.7 Red · ΔE 16.7 Tomato · ΔE 22.5 Chocolate · ΔE 28.6 Coral · ΔE 29.2 Dark orange · ΔE 31.1

Nearest named CSS colourOrange red (#FF4500)ΔE 4.68, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00ADF5

Analogous#F50033, #F5C200

Triadic#00F548, #4800F5

Split complementary#00F5C2, #0033F5

Tetradic#33F500, #00ADF5, #C200F5

Tints, shades & saturation

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

Lighter +40%#FFD4C2

Lighter +30%#FFB08F

Lighter +20%#FF8C5C

Lighter +10%#FF6829

Darker −10%#C23900

Darker −20%#8F2A00

Darker −30%#5C1B00

Darker −40%#290C00

More saturated +25%#F54800

Less saturated −25%#D6551F

Channel breakdown

R245

G72

Red245 (96.1%)

Green72 (28.2%)

Blue0 (0%)

Hue17.63°

Saturation (HSL)100%

Lightness48.04%

Dominant channelRed

Hex per channelR F5 · G 48 · B 00

Keep nerding

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

#F54800

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else