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Colour

#C99900

  • #C99900
  • Yellow
  • Dark
  • Nearest: Goldenrod

#C99900 is a yellow with RGB values 201, 153, 0 and HSL 46°, 100%, 39%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#C99900#C99900
HEX#C99900
RGBrgb(201, 153, 0)
RGB (0–1)0.7882, 0.6, 0
RGB percentages78.8%, 60%, 0%
HSLhsl(45.7, 100%, 39.4%)
HSV / HSBhsv(45.7, 100%, 78.8%)
CMYK0%, 23.9%, 100%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,211,904
CSS custom property--colour: #C99900;

Brightness & contrast

Relative luminance0.352WCAG 2.x, 0 is black and 1 is white
Perceived brightness160.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.04:1
Contrast with white2.61:1WCAG normal text: Fail
Contrast with black8.04:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#3666FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AE9900no red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#BAA514no green cones; the most common form, about 1% of men; ΔE 13.2 from the original
Tritanopia#DB8982no blue cones; rare, and affects men and women equally; ΔE 58 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.61:1WCAG large text: Fail
Contrast with black, large text8.04:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 5.3Dark goldenrod · ΔE 10.3Orange · ΔE 21.2Peru · ΔE 26.7Olive · ΔE 27.7Gold · ΔE 28.6
Nearest named CSS colourGoldenrod (#DAA520)ΔE 5.29, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0030C9
Analogous#C93400, #95C900
Triadic#00C999, #9900C9
Split complementary#0095C9, #3400C9
Tetradic#00C934, #0030C9, #C90095

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFE696
Lighter +30%#FFDA63
Lighter +20%#FFCE30
Lighter +10%#FCC000
Darker −10%#967200
Darker −20%#634B00
Darker −30%#302500
Darker −40%#000000
More saturated +25%#C99900
Less saturated −25%#B08C19

Channel breakdown

R201
G153
B0
Red201 (78.8%)
Green153 (60%)
Blue0 (0%)
Hue45.67°
Saturation (HSL)100%
Lightness39.41%
Dominant channelRed
Hex per channelR C9 · G 99 · B 00

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Every value on this page was computed from “c99900” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.