Colour

#FFDD37

#FFDD37
Yellow
Light
Nearest: Gold

#FFDD37 is a yellow with RGB values 255, 221, 55 and HSL 50°, 100%, 61%. It is a light colour, so black text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFDD37#FFDD37

HEX#FFDD37

RGBrgb(255, 221, 55)

RGB (0–1)1, 0.8667, 0.2157

RGB percentages100%, 86.7%, 21.6%

HSLhsl(49.8, 100%, 60.8%)

HSV / HSBhsv(49.8, 78.4%, 100%)

CMYK0%, 13.3%, 78.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,768,311

CSS custom property--colour: #FFDD37;

Brightness & contrast

Relative luminance0.73249WCAG 2.x, 0 is black and 1 is white

Perceived brightness220.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 15.65:1

Contrast with white1.34:1WCAG normal text: Fail

Contrast with black15.65:1WCAG normal text: AAA

Greyscale equivalent#D8D8D8

Inverted#0022C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F4D805no red cones; affects about 1% of men; ΔE 7.8 from the original

Deuteranopia#FDE343no green cones; the most common form, about 1% of men; ΔE 4.5 from the original

Tritanopia#FFCBBEno blue cones; rare, and affects men and women equally; ΔE 68.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.34:1WCAG large text: Fail

Contrast with black, large text15.65:1WCAG large text: AAA

Named colours

Gold · ΔE 8.6 Goldenrod · ΔE 24 Yellow · ΔE 25 Orange · ΔE 31.1 Khaki · ΔE 34.3 Dark goldenrod · ΔE 36.3

Nearest named CSS colourGold (#FFD700)ΔE 8.64, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3759FF

Analogous#FF7937, #BDFF37

Triadic#37FFDD, #DD37FF

Split complementary#37BDFF, #7937FF

Tetradic#37FF79, #3759FF, #FF37BD

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFF7D0

Lighter +20%#FFEE9D

Lighter +10%#FFE66A

Darker −10%#FFD404

Darker −20%#D0AD00

Darker −30%#9D8200

Darker −40%#6A5800

More saturated +25%#FFDD37

Less saturated −25%#E6CD50

Channel breakdown

R255

G221

B55

Red255 (100%)

Green221 (86.7%)

Blue55 (21.6%)

Hue49.8°

Saturation (HSL)100%

Lightness60.78%

Dominant channelRed

Hex per channelR FF · G DD · B 37

Keep nerding

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

#FFDD37

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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