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Recognised as Colour

#646A12

  • #646A12
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#646A12 is a yellow with RGB values 100, 106, 18 and HSL 64°, 71%, 24%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#646A12#646A12
HEX#646A12
RGBrgb(100, 106, 18)
RGB (0–1)0.3922, 0.4157, 0.0706
RGB percentages39.2%, 41.6%, 7.1%
HSLhsl(64.1, 71%, 24.3%)
HSV / HSBhsv(64.1, 83%, 41.6%)
CMYK5.7%, 0%, 83%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,580,754
CSS custom property--colour: #646A12;

Brightness & contrast

Relative luminance0.13061WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.81:1
Contrast with white5.81:1WCAG normal text: AA
Contrast with black3.61:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#9B95ED

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#736400no red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#72661Ano green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#6B635Ano blue cones; rare, and affects men and women equally; ΔE 41 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.81:1WCAG large text: AAA
Contrast with black, large text3.61:1WCAG large text: AA

Named colours

Dark olivegreen · ΔE 14.7Olive · ΔE 15.3Olivedrab · ΔE 19.5Dark green · ΔE 30.6Dark khaki · ΔE 31.3Dark goldenrod · ΔE 34
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 14.7, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#18126A
Analogous#6A4412, #386A12
Triadic#12646A, #6A1264
Split complementary#12386A, #44126A
Tetradic#126A44, #18126A, #6A1238

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCE563
Lighter +30%#D2DD38
Lighter +20%#B6C121
Lighter +10%#8D9619
Darker −10%#3B3E0B
Darker −20%#121303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#717A03
Less saturated −25%#575A22

Channel breakdown

R100
G106
B18
Red100 (39.2%)
Green106 (41.6%)
Blue18 (7.1%)
Hue64.09°
Saturation (HSL)70.97%
Lightness24.31%
Dominant channelGreen
Hex per channelR 64 · G 6A · B 12

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Every value on this page was computed from “646a12” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.