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Colour

#ECFF1F

  • #ECFF1F
  • Yellow
  • Light
  • Nearest: Yellow

#ECFF1F is a yellow with RGB values 236, 255, 31 and HSL 65°, 100%, 56%. It is a light colour, so black text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#ECFF1F#ECFF1F
HEX#ECFF1F
RGBrgb(236, 255, 31)
RGB (0–1)0.9255, 1, 0.1216
RGB percentages92.5%, 100%, 12.2%
HSLhsl(65.1, 100%, 56.1%)
HSV / HSBhsv(65.1, 87.8%, 100%)
CMYK7.5%, 0%, 87.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,531,807
CSS custom property--colour: #ECFF1F;

Brightness & contrast

Relative luminance0.89452WCAG 2.x, 0 is black and 1 is white
Perceived brightness234.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.89:1
Contrast with white1.11:1WCAG normal text: Fail
Contrast with black18.89:1WCAG normal text: AAA
Greyscale equivalent#EBEBEB
Inverted#1300E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF100no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#FFF43Dno green cones; the most common form, about 1% of men; ΔE 15.7 from the original
Tritanopia#FCEFDAno blue cones; rare, and affects men and women equally; ΔE 83.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.11:1WCAG large text: Fail
Contrast with black, large text18.89:1WCAG large text: AAA

Named colours

Yellow · ΔE 8.9Green yellow · ΔE 25.1Gold · ΔE 28.5Yellow green · ΔE 31.5Chartreuse · ΔE 39.8Lawn green · ΔE 39.8
Nearest named CSS colourYellow (#FFFF00)ΔE 8.86, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#321FFF
Analogous#FFA21F, #7CFF1F
Triadic#1FECFF, #FF1FEC
Split complementary#1F7CFF, #A21FFF
Tetradic#1FFFA2, #321FFF, #FF1F7C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFFEB
Lighter +30%#F9FFB8
Lighter +20%#F5FF85
Lighter +10%#F0FF52
Darker −10%#D7EB00
Darker −20%#A8B800
Darker −30%#7A8500
Darker −40%#4B5200
More saturated +25%#ECFF1F
Less saturated −25%#D5E33B

Channel breakdown

R236
G255
B31
Red236 (92.5%)
Green255 (100%)
Blue31 (12.2%)
Hue65.09°
Saturation (HSL)100%
Lightness56.08%
Dominant channelGreen
Hex per channelR EC · G FF · B 1F

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Every value on this page was computed from “ecff1f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.