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Recognised as Colour

#1FD9AE

  • #1FD9AE
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#1FD9AE is a cyan with RGB values 31, 217, 174 and HSL 166°, 75%, 49%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#1FD9AE#1FD9AE
HEX#1FD9AE
RGBrgb(31, 217, 174)
RGB (0–1)0.1216, 0.851, 0.6824
RGB percentages12.2%, 85.1%, 68.2%
HSLhsl(166.1, 75%, 48.6%)
HSV / HSBhsv(166.1, 85.7%, 85.1%)
CMYK85.7%, 0%, 19.8%, 14.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,087,342
CSS custom property--colour: #1FD9AE;

Brightness & contrast

Relative luminance0.52973WCAG 2.x, 0 is black and 1 is white
Perceived brightness177.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.59:1
Contrast with white1.81:1WCAG normal text: Fail
Contrast with black11.59:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#E02651

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D2CAACno red cones; affects about 1% of men; ΔE 51.5 from the original
Deuteranopia#BCBAB1no green cones; the most common form, about 1% of men; ΔE 52.4 from the original
Tritanopia#00DBCDno blue cones; rare, and affects men and women equally; ΔE 16.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.81:1WCAG large text: Fail
Contrast with black, large text11.59:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 14.9Aquamarine · ΔE 16.1Turquoise · ΔE 16.2Medium seagreen · ΔE 20.3Medium turquoise · ΔE 23.5Light seagreen · ΔE 25
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 14.93, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D91F4A
Analogous#1FD951, #1FA7D9
Triadic#AE1FD9, #D9AE1F
Split complementary#D91FA7, #D9511F
Tetradic#511FD9, #D91F4A, #A7D91F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCF8EE
Lighter +30%#A0F1DE
Lighter +20%#73EBCF
Lighter +10%#46E5C0
Darker −10%#19AC8A
Darker −20%#128066
Darker −30%#0C5343
Darker −40%#05261F
More saturated +25%#00F8BF
Less saturated −25%#3EBA9D

Channel breakdown

R31
G217
B174
Red31 (12.2%)
Green217 (85.1%)
Blue174 (68.2%)
Hue166.13°
Saturation (HSL)75%
Lightness48.63%
Dominant channelGreen
Hex per channelR 1F · G D9 · B AE

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Every value on this page was computed from “1fd9ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.