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Recognised as Colour

#664D02

  • #664D02
  • Yellow
  • Dark
  • Nearest: Saddle brown

#664D02 is a yellow with RGB values 102, 77, 2 and HSL 45°, 96%, 20%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#664D02#664D02
HEX#664D02
RGBrgb(102, 77, 2)
RGB (0–1)0.4, 0.302, 0.0078
RGB percentages40%, 30.2%, 0.8%
HSLhsl(45, 96.2%, 20.4%)
HSV / HSBhsv(45, 98%, 40%)
CMYK0%, 24.5%, 98%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,704,386
CSS custom property--colour: #664D02;

Brightness & contrast

Relative luminance0.08137WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.99:1
Contrast with white7.99:1WCAG normal text: AAA
Contrast with black2.63:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#99B2FD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#584D00no red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#5E5307no green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#704541no blue cones; rare, and affects men and women equally; ΔE 35 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.99:1WCAG large text: AAA
Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 22.9Dark olivegreen · ΔE 26.6Sienna · ΔE 28Olive · ΔE 28.3Dark goldenrod · ΔE 32.9Peru · ΔE 33.2
Nearest named CSS colourSaddle brown (#8B4513)ΔE 22.93, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#021B66
Analogous#661B02, #4D6602
Triadic#02664D, #4D0266
Split complementary#024D66, #1B0266
Tetradic#02661B, #021B66, #66024D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBCB39
Lighter +30%#FABD07
Lighter +20%#CA9904
Lighter +10%#987303
Darker −10%#342701
Darker −20%#020100
Darker −30%#000000
Darker −40%#000000
More saturated +25%#684E00
Less saturated −25%#59470F

Channel breakdown

R102
G77
B2
Red102 (40%)
Green77 (30.2%)
Blue2 (0.8%)
Hue45°
Saturation (HSL)96.15%
Lightness20.39%
Dominant channelRed
Hex per channelR 66 · G 4D · B 02

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Every value on this page was computed from “664d02” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.