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Recognised as Colour

#DDFF01

  • #DDFF01
  • Yellow
  • Light
  • Nearest: Yellow

#DDFF01 is a yellow with RGB values 221, 255, 1 and HSL 68°, 100%, 50%. It is a light colour, so black text on it reaches 18.4:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#DDFF01#DDFF01
HEX#DDFF01
RGBrgb(221, 255, 1)
RGB (0–1)0.8667, 1, 0.0039
RGB percentages86.7%, 100%, 0.4%
HSLhsl(68, 100%, 50.2%)
HSV / HSBhsv(68, 99.6%, 100%)
CMYK13.3%, 0%, 99.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,548,737
CSS custom property--colour: #DDFF01;

Brightness & contrast

Relative luminance0.86894WCAG 2.x, 0 is black and 1 is white
Perceived brightness229.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.38:1
Contrast with white1.14:1WCAG normal text: Fail
Contrast with black18.38:1WCAG normal text: AAA
Greyscale equivalent#E5E5E5
Inverted#2200FE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF000no red cones; affects about 1% of men; ΔE 21 from the original
Deuteranopia#FFF034no green cones; the most common form, about 1% of men; ΔE 23.1 from the original
Tritanopia#EBF0D9no blue cones; rare, and affects men and women equally; ΔE 86.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.14:1WCAG large text: Fail
Contrast with black, large text18.38:1WCAG large text: AAA

Named colours

Yellow · ΔE 14.3Green yellow · ΔE 19.9Yellow green · ΔE 30.9Chartreuse · ΔE 33.6Lawn green · ΔE 33.7Gold · ΔE 34.5
Nearest named CSS colourYellow (#FFFF00)ΔE 14.27, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2301FF
Analogous#FFA201, #5EFF01
Triadic#01DDFF, #FF01DD
Split complementary#015EFF, #A201FF
Tetradic#01FFA2, #2301FF, #FF015E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8FFCD
Lighter +30%#F1FF9A
Lighter +20%#EBFF67
Lighter +10%#E4FF34
Darker −10%#B2CD00
Darker −20%#859A00
Darker −30%#596700
Darker −40%#2D3400
More saturated +25%#DDFF01
Less saturated −25%#C6DF21

Channel breakdown

R221
G255
B1
Red221 (86.7%)
Green255 (100%)
Blue1 (0.4%)
Hue68.03°
Saturation (HSL)100%
Lightness50.2%
Dominant channelGreen
Hex per channelR DD · G FF · B 01

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Every value on this page was computed from “ddff01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.