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Colour

#FFF400

  • #FFF400
  • Yellow
  • Light
  • Nearest: Yellow

#FFF400 is a yellow with RGB values 255, 244, 0 and HSL 57°, 100%, 50%. It is a light colour, so black text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FFF400#FFF400
HEX#FFF400
RGBrgb(255, 244, 0)
RGB (0–1)1, 0.9569, 0
RGB percentages100%, 95.7%, 0%
HSLhsl(57.4, 100%, 50%)
HSV / HSBhsv(57.4, 100%, 100%)
CMYK0%, 4.3%, 100%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,774,144
CSS custom property--colour: #FFF400;

Brightness & contrast

Relative luminance0.85961WCAG 2.x, 0 is black and 1 is white
Perceived brightness233.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.19:1
Contrast with white1.15:1WCAG normal text: Fail
Contrast with black18.19:1WCAG normal text: AAA
Greyscale equivalent#E5E5E5
Inverted#000BFF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEA00no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#FFF22Eno green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#FFE2D0no blue cones; rare, and affects men and women equally; ΔE 83.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.15:1WCAG large text: Fail
Contrast with black, large text18.19:1WCAG large text: AAA

Named colours

Yellow · ΔE 6.3Gold · ΔE 17Green yellow · ΔE 37.8Yellow green · ΔE 38.1Goldenrod · ΔE 41.5Orange · ΔE 46.6
Nearest named CSS colourYellow (#FFFF00)ΔE 6.33, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#000BFF
Analogous#FF7500, #8BFF00
Triadic#00FFF4, #F400FF
Split complementary#008BFF, #7500FF
Tetradic#00FF74, #000BFF, #FF008A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFDCC
Lighter +30%#FFFB99
Lighter +20%#FFF866
Lighter +10%#FFF633
Darker −10%#CCC300
Darker −20%#999200
Darker −30%#666200
Darker −40%#333100
More saturated +25%#FFF400
Less saturated −25%#DFD720

Channel breakdown

R255
G244
B0
Red255 (100%)
Green244 (95.7%)
Blue0 (0%)
Hue57.41°
Saturation (HSL)100%
Lightness50%
Dominant channelRed
Hex per channelR FF · G F4 · B 00

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Every value on this page was computed from “fff400” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.