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Recognised as Colour

#18EF9D

  • #18EF9D
  • Cyan
  • Light
  • Nearest: Medium spring green

#18EF9D is a cyan with RGB values 24, 239, 157 and HSL 157°, 87%, 52%. It is a light colour, so black text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#18EF9D#18EF9D
HEX#18EF9D
RGBrgb(24, 239, 157)
RGB (0–1)0.0941, 0.9373, 0.6157
RGB percentages9.4%, 93.7%, 61.6%
HSLhsl(157.1, 87%, 51.6%)
HSV / HSBhsv(157.1, 90%, 93.7%)
CMYK90%, 0%, 34.3%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,634,205
CSS custom property--colour: #18EF9D;

Brightness & contrast

Relative luminance0.64362WCAG 2.x, 0 is black and 1 is white
Perceived brightness191.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.87:1
Contrast with white1.51:1WCAG normal text: Fail
Contrast with black13.87:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#E71062

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ECDC98no red cones; affects about 1% of men; ΔE 62 from the original
Deuteranopia#D6CBA2no green cones; the most common form, about 1% of men; ΔE 63.1 from the original
Tritanopia#00EEDAno blue cones; rare, and affects men and women equally; ΔE 33.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.51:1WCAG large text: Fail
Contrast with black, large text13.87:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 8.4Light green · ΔE 21.9Pale green · ΔE 21.9Spring green · ΔE 23.7Medium seagreen · ΔE 25.7Aquamarine · ΔE 27.4
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 8.37, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF186A
Analogous#18EF31, #18D6EF
Triadic#9D18EF, #EF9D18
Split complementary#EF18D6, #EF3118
Tetradic#3118EF, #EF186A, #D6EF18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7FCEE
Lighter +30%#A7F9DA
Lighter +20%#77F6C5
Lighter +10%#48F2B1
Darker −10%#0EC680
Darker −20%#0A9761
Darker −30%#076742
Darker −40%#043724
More saturated +25%#08FFA1
Less saturated −25%#37D096

Channel breakdown

R24
G239
B157
Red24 (9.4%)
Green239 (93.7%)
Blue157 (61.6%)
Hue157.12°
Saturation (HSL)87.04%
Lightness51.57%
Dominant channelGreen
Hex per channelR 18 · G EF · B 9D

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Every value on this page was computed from “18ef9d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.