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Colour

#C9B100

  • #C9B100
  • Yellow
  • Dark
  • Nearest: Goldenrod

#C9B100 is a yellow with RGB values 201, 177, 0 and HSL 53°, 100%, 39%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#C9B100#C9B100
HEX#C9B100
RGBrgb(201, 177, 0)
RGB (0–1)0.7882, 0.6941, 0
RGB percentages78.8%, 69.4%, 0%
HSLhsl(52.8, 100%, 39.4%)
HSV / HSBhsv(52.8, 100%, 78.8%)
CMYK0%, 11.9%, 100%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,218,048
CSS custom property--colour: #C9B100;

Brightness & contrast

Relative luminance0.43862WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.77:1
Contrast with white2.15:1WCAG normal text: Fail
Contrast with black9.77:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#364EFF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C4AC00no red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#CAB51Dno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#DAA296no blue cones; rare, and affects men and women equally; ΔE 64.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.15:1WCAG large text: Fail
Contrast with black, large text9.77:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 15.4Gold · ΔE 19.9Dark goldenrod · ΔE 23.4Olive · ΔE 27.8Orange · ΔE 30.2Yellow green · ΔE 33.4
Nearest named CSS colourGoldenrod (#DAA520)ΔE 15.42, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0018C9
Analogous#C94C00, #7DC900
Triadic#00C9B1, #B100C9
Split complementary#007DC9, #4C00C9
Tetradic#00C94C, #0018C9, #C9007D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFF296
Lighter +30%#FFEC63
Lighter +20%#FFE630
Lighter +10%#FCDE00
Darker −10%#968400
Darker −20%#635700
Darker −30%#302A00
Darker −40%#000000
More saturated +25%#C9B100
Less saturated −25%#B09E19

Channel breakdown

R201
G177
B0
Red201 (78.8%)
Green177 (69.4%)
Blue0 (0%)
Hue52.84°
Saturation (HSL)100%
Lightness39.41%
Dominant channelRed
Hex per channelR C9 · G B1 · B 00

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Every value on this page was computed from “c9b100” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.