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Recognised as Colour

#12EF8F

  • #12EF8F
  • Cyan
  • Light
  • Nearest: Medium spring green

#12EF8F is a cyan with RGB values 18, 239, 143 and HSL 154°, 87%, 50%. It is a light colour, so black text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#12EF8F#12EF8F
HEX#12EF8F
RGBrgb(18, 239, 143)
RGB (0–1)0.0706, 0.9373, 0.5608
RGB percentages7.1%, 93.7%, 56.1%
HSLhsl(153.9, 87.4%, 50.4%)
HSV / HSBhsv(153.9, 92.5%, 93.7%)
CMYK92.5%, 0%, 40.2%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,240,975
CSS custom property--colour: #12EF8F;

Brightness & contrast

Relative luminance0.63845WCAG 2.x, 0 is black and 1 is white
Perceived brightness189.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.77:1
Contrast with white1.53:1WCAG normal text: Fail
Contrast with black13.77:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#ED1070

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#EEDB88no red cones; affects about 1% of men; ΔE 64.7 from the original
Deuteranopia#D7CB96no green cones; the most common form, about 1% of men; ΔE 64.9 from the original
Tritanopia#00EDD7no blue cones; rare, and affects men and women equally; ΔE 39.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.53:1WCAG large text: Fail
Contrast with black, large text13.77:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 4.2Spring green · ΔE 16.6Pale green · ΔE 22Light green · ΔE 22.6Medium seagreen · ΔE 29Limegreen · ΔE 30.3
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 4.18, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF1272
Analogous#12EF20, #12E1EF
Triadic#8F12EF, #EF8F12
Split complementary#EF12E1, #EF2012
Tetradic#2012EF, #EF1272, #E1EF12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1FCE9
Lighter +30%#A1F9D3
Lighter +20%#72F5BC
Lighter +10%#42F2A6
Darker −10%#0DC173
Darker −20%#0A9156
Darker −30%#07613A
Darker −40%#03321E
More saturated +25%#02FF91
Less saturated −25%#32CF8B

Channel breakdown

R18
G239
B143
Red18 (7.1%)
Green239 (93.7%)
Blue143 (56.1%)
Hue153.94°
Saturation (HSL)87.35%
Lightness50.39%
Dominant channelGreen
Hex per channelR 12 · G EF · B 8F

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Every value on this page was computed from “12ef8f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.