Recognised as Colour

#645B45

#645B45
Orange
Dark
Nearest: Dim grey

#645B45 is a orange with RGB values 100, 91, 69 and HSL 43°, 18%, 33%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#645B45#645B45

HEX#645B45

RGBrgb(100, 91, 69)

RGB (0–1)0.3922, 0.3569, 0.2706

RGB percentages39.2%, 35.7%, 27.1%

HSLhsl(42.6, 18.3%, 33.1%)

HSV / HSBhsv(42.6, 31%, 39.2%)

CMYK0%, 9%, 31%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,576,965

CSS custom property--colour: #645B45;

Brightness & contrast

Relative luminance0.10621WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.72:1

Contrast with white6.72:1WCAG normal text: AA

Contrast with black3.12:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#9BA4BA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605A44no red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#625D46no green cones; the most common form, about 1% of men; ΔE 2 from the original

Tritanopia#695755no blue cones; rare, and affects men and women equally; ΔE 12.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.72:1WCAG large text: AAA

Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Dim grey · ΔE 15.1 Gray · ΔE 20.3 Dark slate grey · ΔE 22.5 Dark olivegreen · ΔE 25.2 Slate grey · ΔE 28.3 Light slate grey · ΔE 30.4

Nearest named CSS colourDim grey (#696969)ΔE 15.07, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#454E64

Analogous#644C45, #5D6445

Triadic#45645B, #5B4564

Split complementary#455D64, #4B4564

Tetradic#45644C, #454E64, #64455D

Tints, shades & saturation

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

Lighter +40%#C7C0AE

Lighter +30%#B2A890

Lighter +20%#9D9172

Lighter +10%#82765A

Darker −10%#464030

Darker −20%#28241B

Darker −30%#090907

Darker −40%#000000

More saturated +25%#796430

Less saturated −25%#545454

Channel breakdown

R100

G91

B69

Red100 (39.2%)

Green91 (35.7%)

Blue69 (27.1%)

Hue42.58°

Saturation (HSL)18.34%

Lightness33.14%

Dominant channelRed

Hex per channelR 64 · G 5B · B 45

Keep nerding

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

#645B45

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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