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Colour

#FFF840

  • #FFF840
  • Yellow
  • Light
  • Nearest: Yellow

#FFF840 is a yellow with RGB values 255, 248, 64 and HSL 58°, 100%, 63%. It is a light colour, so black text on it reaches 18.8:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FFF840#FFF840
HEX#FFF840
RGBrgb(255, 248, 64)
RGB (0–1)1, 0.9725, 0.251
RGB percentages100%, 97.3%, 25.1%
HSLhsl(57.8, 100%, 62.5%)
HSV / HSBhsv(57.8, 74.9%, 100%)
CMYK0%, 2.7%, 74.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,775,232
CSS custom property--colour: #FFF840;

Brightness & contrast

Relative luminance0.88765WCAG 2.x, 0 is black and 1 is white
Perceived brightness236.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.75:1
Contrast with white1.12:1WCAG normal text: Fail
Contrast with black18.75:1WCAG normal text: AAA
Greyscale equivalent#ECECEC
Inverted#0007BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEE0Fno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#FFF54Fno green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#FFE7D6no blue cones; rare, and affects men and women equally; ΔE 74.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.12:1WCAG large text: Fail
Contrast with black, large text18.75:1WCAG large text: AAA

Named colours

Yellow · ΔE 13Gold · ΔE 17.9Yellow green · ΔE 32.4Green yellow · ΔE 35.7Goldenrod · ΔE 38Khaki · ΔE 38.7
Nearest named CSS colourYellow (#FFFF00)ΔE 12.96, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4047FF
Analogous#FF9840, #A7FF40
Triadic#40FFF8, #F840FF
Split complementary#40A6FF, #9840FF
Tetradic#40FF99, #4047FF, #FF40A7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFED9
Lighter +20%#FFFCA6
Lighter +10%#FFFA73
Darker −10%#FFF60D
Darker −20%#D9D100
Darker −30%#A6A000
Darker −40%#736F00
More saturated +25%#FFF840
Less saturated −25%#E7E258

Channel breakdown

R255
G248
B64
Red255 (100%)
Green248 (97.3%)
Blue64 (25.1%)
Hue57.8°
Saturation (HSL)100%
Lightness62.55%
Dominant channelRed
Hex per channelR FF · G F8 · B 40

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Every value on this page was computed from “fff840” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.