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Colour

#CFDD00

  • #CFDD00
  • Yellow
  • Light
  • Nearest: Yellow

#CFDD00 is a yellow with RGB values 207, 221, 0 and HSL 64°, 100%, 43%. It is a light colour, so black text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#CFDD00#CFDD00
HEX#CFDD00
RGBrgb(207, 221, 0)
RGB (0–1)0.8118, 0.8667, 0
RGB percentages81.2%, 86.7%, 0%
HSLhsl(63.8, 100%, 43.3%)
HSV / HSBhsv(63.8, 100%, 86.7%)
CMYK6.3%, 0%, 100%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,622,528
CSS custom property--colour: #CFDD00;

Brightness & contrast

Relative luminance0.64978WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14:1
Contrast with white1.5:1WCAG normal text: Fail
Contrast with black14:1WCAG normal text: AAA
Greyscale equivalent#CACACA
Inverted#3022FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#EED100no red cones; affects about 1% of men; ΔE 19.1 from the original
Deuteranopia#EED42Bno green cones; the most common form, about 1% of men; ΔE 19 from the original
Tritanopia#DECFBCno blue cones; rare, and affects men and women equally; ΔE 77.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.5:1WCAG large text: Fail
Contrast with black, large text14:1WCAG large text: AAA

Named colours

Yellow · ΔE 17.1Yellow green · ΔE 22.7Gold · ΔE 23.7Green yellow · ΔE 28.3Goldenrod · ΔE 39.3Khaki · ΔE 42.2
Nearest named CSS colourYellow (#FFFF00)ΔE 17.14, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0E00DD
Analogous#DD7D00, #60DD00
Triadic#00CFDD, #DD00CF
Split complementary#0060DD, #7D00DD
Tetradic#00DD7D, #0E00DD, #DD0060

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFFAA
Lighter +30%#F6FF77
Lighter +20%#F3FF44
Lighter +10%#F0FF11
Darker −10%#9FAA00
Darker −20%#6F7700
Darker −30%#404400
Darker −40%#101100
More saturated +25%#CFDD00
Less saturated −25%#B7C11C

Channel breakdown

R207
G221
B0
Red207 (81.2%)
Green221 (86.7%)
Blue0 (0%)
Hue63.8°
Saturation (HSL)100%
Lightness43.33%
Dominant channelGreen
Hex per channelR CF · G DD · B 00

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Every value on this page was computed from “cfdd00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.