Colour

#FFCF11

#FFCF11
Yellow
Light
Nearest: Gold

#FFCF11 is a yellow with RGB values 255, 207, 17 and HSL 48°, 100%, 53%. It is a light colour, so black text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFCF11#FFCF11

HEX#FFCF11

RGBrgb(255, 207, 17)

RGB (0–1)1, 0.8118, 0.0667

RGB percentages100%, 81.2%, 6.7%

HSLhsl(47.9, 100%, 53.3%)

HSV / HSBhsv(47.9, 93.3%, 100%)

CMYK0%, 18.8%, 93.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,764,689

CSS custom property--colour: #FFCF11;

Brightness & contrast

Relative luminance0.65926WCAG 2.x, 0 is black and 1 is white

Perceived brightness211.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 14.19:1

Contrast with white1.48:1WCAG normal text: Fail

Contrast with black14.19:1WCAG normal text: AAA

Greyscale equivalent#CBCBCB

Inverted#0030EE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E8CC00no red cones; affects about 1% of men; ΔE 9.1 from the original

Deuteranopia#F4DA27no green cones; the most common form, about 1% of men; ΔE 10.4 from the original

Tritanopia#FFBCB1no blue cones; rare, and affects men and women equally; ΔE 72.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.48:1WCAG large text: Fail

Contrast with black, large text14.19:1WCAG large text: AAA

Named colours

Gold · ΔE 5.5 Goldenrod · ΔE 21.8 Orange · ΔE 24.4 Yellow · ΔE 28.7 Dark goldenrod · ΔE 34.3 Dark orange · ΔE 38.8

Nearest named CSS colourGold (#FFD700)ΔE 5.54, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#1141FF

Analogous#FF5811, #B8FF11

Triadic#11FFCF, #CF11FF

Split complementary#11B8FF, #5811FF

Tetradic#11FF58, #1141FF, #FF11B8

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFF8DD

Lighter +30%#FFEEAA

Lighter +20%#FFE477

Lighter +10%#FFD944

Darker −10%#DDB000

Darker −20%#AA8800

Darker −30%#775F00

Darker −40%#443600

More saturated +25%#FFCF11

Less saturated −25%#E1BD2F

Channel breakdown

R255

G207

B17

Red255 (100%)

Green207 (81.2%)

Blue17 (6.7%)

Hue47.9°

Saturation (HSL)100%

Lightness53.33%

Dominant channelRed

Hex per channelR FF · G CF · B 11

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#FFCF11

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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