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Recognised as Colour

#ECFF57

  • #ECFF57
  • Yellow
  • Light
  • Nearest: Yellow

#ECFF57 is a yellow with RGB values 236, 255, 87 and HSL 67°, 100%, 67%. It is a light colour, so black text on it reaches 19:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#ECFF57#ECFF57
HEX#ECFF57
RGBrgb(236, 255, 87)
RGB (0–1)0.9255, 1, 0.3412
RGB percentages92.5%, 100%, 34.1%
HSLhsl(66.8, 100%, 67.1%)
HSV / HSBhsv(66.8, 65.9%, 100%)
CMYK7.5%, 0%, 65.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,531,863
CSS custom property--colour: #ECFF57;

Brightness & contrast

Relative luminance0.90041WCAG 2.x, 0 is black and 1 is white
Perceived brightness236 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.01:1
Contrast with white1.1:1WCAG normal text: Fail
Contrast with black19.01:1WCAG normal text: AAA
Greyscale equivalent#EFEFEF
Inverted#1300A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF23Eno red cones; affects about 1% of men; ΔE 14.6 from the original
Deuteranopia#FFF563no green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#FAF1DDno blue cones; rare, and affects men and women equally; ΔE 69.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.1:1WCAG large text: Fail
Contrast with black, large text19.01:1WCAG large text: AAA

Named colours

Yellow · ΔE 20.5Yellow green · ΔE 23.9Green yellow · ΔE 26.9Gold · ΔE 29.3Khaki · ΔE 35.1Pale green · ΔE 42.4
Nearest named CSS colourYellow (#FFFF00)ΔE 20.5, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A57FF
Analogous#FFBE57, #98FF57
Triadic#57ECFF, #FF57EC
Split complementary#5798FF, #BE57FF
Tetradic#57FFBE, #6A57FF, #FF5798

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FDFFF0
Lighter +20%#F8FFBD
Lighter +10%#F2FF8A
Darker −10%#E6FF24
Darker −20%#D5F000
Darker −30%#A8BD00
Darker −40%#7A8A00
More saturated +25%#ECFF57
Less saturated −25%#DCEA6C

Channel breakdown

R236
G255
B87
Red236 (92.5%)
Green255 (100%)
Blue87 (34.1%)
Hue66.79°
Saturation (HSL)100%
Lightness67.06%
Dominant channelGreen
Hex per channelR EC · G FF · B 57

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Every value on this page was computed from “ecff57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.