Colour

#511A01

#511A01
Orange
Dark
Nearest: Saddle brown

#511A01 is a orange with RGB values 81, 26, 1 and HSL 19°, 98%, 16%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#511A01#511A01

HEX#511A01

RGBrgb(81, 26, 1)

RGB (0–1)0.3176, 0.102, 0.0039

RGB percentages31.8%, 10.2%, 0.4%

HSLhsl(18.8, 97.6%, 16.1%)

HSV / HSBhsv(18.8, 98.8%, 31.8%)

CMYK0%, 67.9%, 98.8%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,315,073

CSS custom property--colour: #511A01;

Brightness & contrast

Relative luminance0.0249WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.02:1

Contrast with white14.02:1WCAG normal text: AAA

Contrast with black1.5:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#AEE5FE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2A2400no red cones; affects about 1% of men; ΔE 27.5 from the original

Deuteranopia#383000no green cones; the most common form, about 1% of men; ΔE 26.8 from the original

Tritanopia#5A0B15no blue cones; rare, and affects men and women equally; ΔE 14 from the original

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

Contrast with white, large text14.02:1WCAG large text: AAA

Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 24.5 Maroon · ΔE 27.4 Sienna · ΔE 28 Dark red · ΔE 32.1 Brown · ΔE 32.2 Firebrick · ΔE 39.6

Nearest named CSS colourSaddle brown (#8B4513)ΔE 24.52, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#013851

Analogous#510110, #514201

Triadic#01511A, #1A0151

Split complementary#015142, #011051

Tetradic#105101, #013851, #420151

Tints, shades & saturation

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

Lighter +40%#FC6622

Lighter +30%#E84B03

Lighter +20%#B63A02

Lighter +10%#832A02

Darker −10%#1F0A00

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#521A00

Less saturated −25%#471E0B

Channel breakdown

R81

G26

Red81 (31.8%)

Green26 (10.2%)

Blue1 (0.4%)

Hue18.75°

Saturation (HSL)97.56%

Lightness16.08%

Dominant channelRed

Hex per channelR 51 · G 1A · B 01

Keep nerding

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

#511A01

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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