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Recognised as Colour

#644D02

  • #644D02
  • Yellow
  • Dark
  • Nearest: Saddle brown

#644D02 is a yellow with RGB values 100, 77, 2 and HSL 46°, 96%, 20%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#644D02#644D02
HEX#644D02
RGBrgb(100, 77, 2)
RGB (0–1)0.3922, 0.302, 0.0078
RGB percentages39.2%, 30.2%, 0.8%
HSLhsl(45.9, 96.1%, 20%)
HSV / HSBhsv(45.9, 98%, 39.2%)
CMYK0%, 23%, 98%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,573,314
CSS custom property--colour: #644D02;

Brightness & contrast

Relative luminance0.08021WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.06:1
Contrast with white8.06:1WCAG normal text: AAA
Contrast with black2.6:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#9BB2FD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#584C00no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#5D5307no green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#6D4541no blue cones; rare, and affects men and women equally; ΔE 35.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.06:1WCAG large text: AAA
Contrast with black, large text2.6:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 24Dark olivegreen · ΔE 25.7Olive · ΔE 28Sienna · ΔE 29Dark goldenrod · ΔE 33.5Peru · ΔE 33.9
Nearest named CSS colourSaddle brown (#8B4513)ΔE 23.95, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#021964
Analogous#641C02, #4A6402
Triadic#02644D, #4D0264
Split complementary#024A64, #1C0264
Tetradic#02641C, #021964, #64024A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBCD37
Lighter +30%#FAC105
Lighter +20%#C89A04
Lighter +10%#967403
Darker −10%#322701
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#664E00
Less saturated −25%#57460F

Channel breakdown

R100
G77
B2
Red100 (39.2%)
Green77 (30.2%)
Blue2 (0.8%)
Hue45.92°
Saturation (HSL)96.08%
Lightness20%
Dominant channelRed
Hex per channelR 64 · G 4D · B 02

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Every value on this page was computed from “644d02” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.