Colour

#FF910B

#FF910B
Orange
Dark
Nearest: Dark orange

#FF910B is a orange with RGB values 255, 145, 11 and HSL 33°, 100%, 52%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF910B#FF910B

HEX#FF910B

RGBrgb(255, 145, 11)

RGB (0–1)1, 0.5686, 0.0431

RGB percentages100%, 56.9%, 4.3%

HSLhsl(33, 100%, 52.2%)

HSV / HSBhsv(33, 95.7%, 100%)

CMYK0%, 43.1%, 95.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,748,811

CSS custom property--colour: #FF910B;

Brightness & contrast

Relative luminance0.41535WCAG 2.x, 0 is black and 1 is white

Perceived brightness178.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.31:1

Contrast with white2.26:1WCAG normal text: Fail

Contrast with black9.31:1WCAG normal text: AAA

Greyscale equivalent#9F9F9F

Inverted#006EF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B39D00no red cones; affects about 1% of men; ΔE 40.4 from the original

Deuteranopia#CDB70Cno green cones; the most common form, about 1% of men; ΔE 41.5 from the original

Tritanopia#FF777Cno blue cones; rare, and affects men and women equally; ΔE 55.3 from the original

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

Contrast with white, large text2.26:1WCAG large text: Fail

Contrast with black, large text9.31:1WCAG large text: AAA

Named colours

Dark orange · ΔE 2.8 Orange · ΔE 12.1 Chocolate · ΔE 23.3 Goldenrod · ΔE 26.5 Dark goldenrod · ΔE 29.5 Coral · ΔE 29.6

Nearest named CSS colourDark orange (#FF8C00)ΔE 2.78, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B79FF

Analogous#FF170B, #F3FF0B

Triadic#0BFF91, #910BFF

Split complementary#0BF3FF, #170BFF

Tetradic#0BFF17, #0B79FF, #FF0BF3

Tints, shades & saturation

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

Lighter +40%#FFEDD7

Lighter +30%#FFD6A4

Lighter +20%#FFBF71

Lighter +10%#FFA83E

Darker −10%#D77600

Darker −20%#A45A00

Darker −30%#713E00

Darker −40%#3E2200

More saturated +25%#FF910B

Less saturated −25%#E18E29

Channel breakdown

R255

G145

B11

Red255 (100%)

Green145 (56.9%)

Blue11 (4.3%)

Hue32.95°

Saturation (HSL)100%

Lightness52.16%

Dominant channelRed

Hex per channelR FF · G 91 · B 0B

Keep nerding

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

#FF910B

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

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