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Recognised as Colour

#EFEC1F

  • #EFEC1F
  • Yellow
  • Light
  • Nearest: Yellow

#EFEC1F is a yellow with RGB values 239, 236, 31 and HSL 59°, 87%, 53%. It is a light colour, so black text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#EFEC1F#EFEC1F
HEX#EFEC1F
RGBrgb(239, 236, 31)
RGB (0–1)0.9373, 0.9255, 0.1216
RGB percentages93.7%, 92.5%, 12.2%
HSLhsl(59.1, 86.7%, 52.9%)
HSV / HSBhsv(59.1, 87%, 93.7%)
CMYK0%, 1.3%, 87%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,723,551
CSS custom property--colour: #EFEC1F;

Brightness & contrast

Relative luminance0.78441WCAG 2.x, 0 is black and 1 is white
Perceived brightness223.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.69:1
Contrast with white1.26:1WCAG normal text: Fail
Contrast with black16.69:1WCAG normal text: AAA
Greyscale equivalent#DEDEDE
Inverted#1013E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE200no red cones; affects about 1% of men; ΔE 11.7 from the original
Deuteranopia#FFE838no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#FFDCCAno blue cones; rare, and affects men and women equally; ΔE 78 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.26:1WCAG large text: Fail
Contrast with black, large text16.69:1WCAG large text: AAA

Named colours

Yellow · ΔE 10.8Gold · ΔE 17.3Yellow green · ΔE 31Green yellow · ΔE 34Goldenrod · ΔE 38Khaki · ΔE 42.2
Nearest named CSS colourYellow (#FFFF00)ΔE 10.82, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F22EF
Analogous#EF841F, #8AEF1F
Triadic#1FEFEC, #EC1FEF
Split complementary#1F8AEF, #841FEF
Tetradic#1FEF84, #1F22EF, #EF1F8A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFCDD
Lighter +30%#F9F8AE
Lighter +20%#F6F47E
Lighter +10%#F2F04F
Darker −10%#CCCA0F
Darker −20%#9D9B0B
Darker −30%#6D6C08
Darker −40%#3E3D04
More saturated +25%#FFFC0F
Less saturated −25%#D1CF3D

Channel breakdown

R239
G236
B31
Red239 (93.7%)
Green236 (92.5%)
Blue31 (12.2%)
Hue59.13°
Saturation (HSL)86.67%
Lightness52.94%
Dominant channelRed
Hex per channelR EF · G EC · B 1F

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Every value on this page was computed from “efec1f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.