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Recognised as Colour

#18F997

  • #18F997
  • Cyan
  • Light
  • Nearest: Medium spring green

#18F997 is a cyan with RGB values 24, 249, 151 and HSL 154°, 95%, 54%. It is a light colour, so black text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#18F997#18F997
HEX#18F997
RGBrgb(24, 249, 151)
RGB (0–1)0.0941, 0.9765, 0.5922
RGB percentages9.4%, 97.6%, 59.2%
HSLhsl(153.9, 94.9%, 53.5%)
HSV / HSBhsv(153.9, 90.4%, 97.6%)
CMYK90.4%, 0%, 39.4%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,636,759
CSS custom property--colour: #18F997;

Brightness & contrast

Relative luminance0.7018WCAG 2.x, 0 is black and 1 is white
Perceived brightness197.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.04:1
Contrast with white1.4:1WCAG normal text: Fail
Contrast with black15.04:1WCAG normal text: AAA
Greyscale equivalent#C2C2C2
Inverted#E70668

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F8E490no red cones; affects about 1% of men; ΔE 66.5 from the original
Deuteranopia#E0D39Eno green cones; the most common form, about 1% of men; ΔE 66.9 from the original
Tritanopia#00F7E0no blue cones; rare, and affects men and women equally; ΔE 40.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.4:1WCAG large text: Fail
Contrast with black, large text15.04:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 1.3Spring green · ΔE 15.1Pale green · ΔE 22.7Light green · ΔE 24.1Limegreen · ΔE 31.5Medium seagreen · ΔE 32.3
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 1.32, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9187A
Analogous#18F927, #18EAF9
Triadic#9718F9, #F99718
Split complementary#F918EA, #F92718
Tetradic#2718F9, #F9187A, #EAF918

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFFEF1
Lighter +30%#ADFDDA
Lighter +20%#7BFCC4
Lighter +10%#4AFAAD
Darker −10%#06D87D
Darker −20%#04A760
Darker −30%#037543
Darker −40%#024327
More saturated +25%#12FF98
Less saturated −25%#36DB93

Channel breakdown

R24
G249
B151
Red24 (9.4%)
Green249 (97.6%)
Blue151 (59.2%)
Hue153.87°
Saturation (HSL)94.94%
Lightness53.53%
Dominant channelGreen
Hex per channelR 18 · G F9 · B 97

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Every value on this page was computed from “18f997” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.