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Recognised as Colour

#1FD8F9

  • #1FD8F9
  • Cyan
  • Light
  • Nearest: Dark turquoise

#1FD8F9 is a cyan with RGB values 31, 216, 249 and HSL 189°, 95%, 55%. It is a light colour, so black text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#1FD8F9#1FD8F9
HEX#1FD8F9
RGBrgb(31, 216, 249)
RGB (0–1)0.1216, 0.8471, 0.9765
RGB percentages12.2%, 84.7%, 97.6%
HSLhsl(189.1, 94.8%, 54.9%)
HSV / HSBhsv(189.1, 87.6%, 97.6%)
CMYK87.6%, 13.3%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,087,161
CSS custom property--colour: #1FD8F9;

Brightness & contrast

Relative luminance0.56243WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.25:1
Contrast with white1.71:1WCAG normal text: Fail
Contrast with black12.25:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#E02706

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C1D1FBno red cones; affects about 1% of men; ΔE 35.4 from the original
Deuteranopia#A6BDF9no green cones; the most common form, about 1% of men; ΔE 37.5 from the original
Tritanopia#00E4E2no blue cones; rare, and affects men and women equally; ΔE 21.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.71:1WCAG large text: Fail
Contrast with black, large text12.25:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 17.7Sky blue · ΔE 17.8Light skyblue · ΔE 20.4Medium turquoise · ΔE 20.9Deep skyblue · ΔE 21Aqua · ΔE 24.7
Nearest named CSS colourDark turquoise (#00CED1)ΔE 17.67, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9401F
Analogous#1FF9AD, #1F6BF9
Triadic#F91FD8, #D8F91F
Split complementary#F91F6B, #F9AD1F
Tetradic#AD1FF9, #F9401F, #6BF91F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6FBFE
Lighter +30%#B4F2FD
Lighter +20%#82E9FC
Lighter +10%#51E1FA
Darker −10%#06BEDF
Darker −20%#0594AD
Darker −30%#03697C
Darker −40%#023F4A
More saturated +25%#19DCFF
Less saturated −25%#3CC4DC

Channel breakdown

R31
G216
B249
Red31 (12.2%)
Green216 (84.7%)
Blue249 (97.6%)
Hue189.08°
Saturation (HSL)94.78%
Lightness54.9%
Dominant channelBlue
Hex per channelR 1F · G D8 · B F9

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Every value on this page was computed from “1fd8f9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.