Colour

#665B1A

#665B1A
Yellow
Dark
Nearest: Dark olivegreen

#665B1A is a yellow with RGB values 102, 91, 26 and HSL 51°, 59%, 25%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#665B1A#665B1A

HEX#665B1A

RGBrgb(102, 91, 26)

RGB (0–1)0.4, 0.3569, 0.102

RGB percentages40%, 35.7%, 10.2%

HSLhsl(51.3, 59.4%, 25.1%)

HSV / HSBhsv(51.3, 74.5%, 40%)

CMYK0%, 10.8%, 74.5%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,707,994

CSS custom property--colour: #665B1A;

Brightness & contrast

Relative luminance0.10382WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.83:1

Contrast with white6.83:1WCAG normal text: AA

Contrast with black3.08:1WCAG normal text: Fail

Greyscale equivalent#595959

Inverted#99A4E5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#645810no red cones; affects about 1% of men; ΔE 3.1 from the original

Deuteranopia#675C1Eno green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#6E544Eno blue cones; rare, and affects men and women equally; ΔE 32.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.83:1WCAG large text: AAA

Contrast with black, large text3.08:1WCAG large text: AA

Named colours

Dark olivegreen · ΔE 16.9 Olive · ΔE 25.3 Saddle brown · ΔE 30.4 Olivedrab · ΔE 31.9 Sienna · ΔE 33.5 Dark khaki · ΔE 35.3

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 16.93, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1A2566

Analogous#66351A, #4B661A

Triadic#1A665B, #5B1A66

Split complementary#1A4B66, #351A66

Tetradic#1A6635, #1A2566, #661A4B

Tints, shades & saturation

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

Lighter +40%#DBCC71

Lighter +30%#D0BD49

Lighter +20%#B7A42F

Lighter +10%#8F7F24

Darker −10%#3D3710

Darker −20%#151205

Darker −30%#000000

Darker −40%#000000

More saturated +25%#76660A

Less saturated −25%#56502A

Channel breakdown

R102

G91

B26

Red102 (40%)

Green91 (35.7%)

Blue26 (10.2%)

Hue51.32°

Saturation (HSL)59.38%

Lightness25.1%

Dominant channelRed

Hex per channelR 66 · G 5B · B 1A

Keep nerding

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

#665B1A

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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