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Recognised as Colour

#12F557

  • #12F557
  • Green
  • Light
  • Nearest: Spring green

#12F557 is a green with RGB values 18, 245, 87 and HSL 138°, 92%, 52%. It is a light colour, so black text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#12F557#12F557
HEX#12F557
RGBrgb(18, 245, 87)
RGB (0–1)0.0706, 0.9608, 0.3412
RGB percentages7.1%, 96.1%, 34.1%
HSLhsl(138.2, 91.9%, 51.6%)
HSV / HSBhsv(138.2, 92.7%, 96.1%)
CMYK92.7%, 0%, 64.5%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,242,455
CSS custom property--colour: #12F557;

Brightness & contrast

Relative luminance0.66122WCAG 2.x, 0 is black and 1 is white
Perceived brightness190.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.22:1
Contrast with white1.48:1WCAG normal text: Fail
Contrast with black14.22:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#ED0AA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F8DE43no red cones; affects about 1% of men; ΔE 72.9 from the original
Deuteranopia#E3CE65no green cones; the most common form, about 1% of men; ΔE 73.3 from the original
Tritanopia#00EFD4no blue cones; rare, and affects men and women equally; ΔE 66 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.48:1WCAG large text: Fail
Contrast with black, large text14.22:1WCAG large text: AAA

Named colours

Spring green · ΔE 14.1Limegreen · ΔE 16.9Lime · ΔE 24Lawn green · ΔE 26.8Chartreuse · ΔE 27.6Medium spring green · ΔE 29.3
Nearest named CSS colourSpring green (#00FF7F)ΔE 14.12, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F512B0
Analogous#3FF512, #12F5C8
Triadic#5712F5, #F55712
Split complementary#C812F5, #F5123F
Tetradic#123FF5, #F512B0, #F5C812

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6FDE2
Lighter +30%#A5FBBF
Lighter +20%#74F99C
Lighter +10%#43F77A
Darker −10%#09CB44
Darker −20%#079A33
Darker −30%#046A23
Darker −40%#023913
More saturated +25%#08FF53
Less saturated −25%#31D663

Channel breakdown

R18
G245
B87
Red18 (7.1%)
Green245 (96.1%)
Blue87 (34.1%)
Hue138.24°
Saturation (HSL)91.9%
Lightness51.57%
Dominant channelGreen
Hex per channelR 12 · G F5 · B 57

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Every value on this page was computed from “12f557” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.