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Recognised as Colour

#FFDD38

  • #FFDD38
  • Yellow
  • Light
  • Nearest: Gold

#FFDD38 is a yellow with RGB values 255, 221, 56 and HSL 50°, 100%, 61%. It is a light colour, so black text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFDD38#FFDD38
HEX#FFDD38
RGBrgb(255, 221, 56)
RGB (0–1)1, 0.8667, 0.2196
RGB percentages100%, 86.7%, 22%
HSLhsl(49.7, 100%, 61%)
HSV / HSBhsv(49.7, 78%, 100%)
CMYK0%, 13.3%, 78%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,768,312
CSS custom property--colour: #FFDD38;

Brightness & contrast

Relative luminance0.73258WCAG 2.x, 0 is black and 1 is white
Perceived brightness220.2 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#0022C7

Colour vision & accessibility

Protanopia#F4D80Ano red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#FDE344no 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 68.3 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

Nearest named CSS colourGold (#FFD700)ΔE 8.91, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#385AFF
Analogous#FF7938, #BDFF38
Triadic#38FFDD, #DD38FF
Split complementary#38BDFF, #7A38FF
Tetradic#38FF7A, #385AFF, #FF38BD

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFF7D1
Lighter +20%#FFEE9E
Lighter +10%#FFE66B
Darker −10%#FFD405
Darker −20%#D1AD00
Darker −30%#9E8300
Darker −40%#6B5900
More saturated +25%#FFDD38
Less saturated −25%#E6CD51

Channel breakdown

R255
G221
B56
Red255 (100%)
Green221 (86.7%)
Blue56 (22%)
Hue49.75°
Saturation (HSL)100%
Lightness60.98%
Dominant channelRed
Hex per channelR FF · G DD · B 38

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Every value on this page was computed from “ffdd38” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.