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Recognised as Colour

#1FD5AB

  • #1FD5AB
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#1FD5AB is a cyan with RGB values 31, 213, 171 and HSL 166°, 75%, 48%. It is a light colour, so black text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#1FD5AB#1FD5AB
HEX#1FD5AB
RGBrgb(31, 213, 171)
RGB (0–1)0.1216, 0.8353, 0.6706
RGB percentages12.2%, 83.5%, 67.1%
HSLhsl(166.2, 74.6%, 47.8%)
HSV / HSBhsv(166.2, 85.4%, 83.5%)
CMYK85.4%, 0%, 19.7%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,086,315
CSS custom property--colour: #1FD5AB;

Brightness & contrast

Relative luminance0.5082WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.16:1
Contrast with white1.88:1WCAG normal text: Fail
Contrast with black11.16:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#E02A54

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CEC6A9no red cones; affects about 1% of men; ΔE 50.8 from the original
Deuteranopia#B9B6AEno green cones; the most common form, about 1% of men; ΔE 52.1 from the original
Tritanopia#00D7C9no blue cones; rare, and affects men and women equally; ΔE 15.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.88:1WCAG large text: Fail
Contrast with black, large text11.16:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 13.9Turquoise · ΔE 15.9Aquamarine · ΔE 16.9Medium seagreen · ΔE 19.6Medium turquoise · ΔE 22.7Light seagreen · ΔE 23.7
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 13.93, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D51F49
Analogous#1FD550, #1FA4D5
Triadic#AB1FD5, #D5AB1F
Split complementary#D51FA4, #D5501F
Tetradic#501FD5, #D51F49, #A4D51F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9F7EC
Lighter +30%#9CF1DD
Lighter +20%#70EACE
Lighter +10%#43E4BF
Darker −10%#19A887
Darker −20%#127C64
Darker −30%#0C4F40
Darker −40%#05231C
More saturated +25%#00F4BB
Less saturated −25%#3EB79B

Channel breakdown

R31
G213
B171
Red31 (12.2%)
Green213 (83.5%)
Blue171 (67.1%)
Hue166.15°
Saturation (HSL)74.59%
Lightness47.84%
Dominant channelGreen
Hex per channelR 1F · G D5 · B AB

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Every value on this page was computed from “1fd5ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.