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Recognised as Colour

#25D9E2

  • #25D9E2
  • Cyan
  • Light
  • Nearest: Dark turquoise

#25D9E2 is a cyan with RGB values 37, 217, 226 and HSL 183°, 77%, 52%. It is a light colour, so black text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#25D9E2#25D9E2
HEX#25D9E2
RGBrgb(37, 217, 226)
RGB (0–1)0.1451, 0.851, 0.8863
RGB percentages14.5%, 85.1%, 88.6%
HSLhsl(182.9, 76.5%, 51.6%)
HSV / HSBhsv(182.9, 83.6%, 88.6%)
CMYK83.6%, 4%, 0%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,480,610
CSS custom property--colour: #25D9E2;

Brightness & contrast

Relative luminance0.5551WCAG 2.x, 0 is black and 1 is white
Perceived brightness184 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.1:1
Contrast with white1.74:1WCAG normal text: Fail
Contrast with black12.1:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#DA261D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C8CFE3no red cones; affects about 1% of men; ΔE 40.6 from the original
Deuteranopia#AFBDE3no green cones; the most common form, about 1% of men; ΔE 42 from the original
Tritanopia#00E1DBno blue cones; rare, and affects men and women equally; ΔE 9.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.74:1WCAG large text: Fail
Contrast with black, large text12.1:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 5.3Medium turquoise · ΔE 8.6Turquoise · ΔE 13.9Aqua · ΔE 15.4Cyan · ΔE 15.4Light seagreen · ΔE 17
Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E22E25
Analogous#25E28D, #257AE2
Triadic#E225D9, #D9E225
Split complementary#E2257A, #E28C25
Tetradic#8D25E2, #E22E25, #7BE225

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9F8FA
Lighter +30%#ACF1F4
Lighter +20%#7FE9EE
Lighter +10%#52E1E8
Darker −10%#19B3BB
Darker −20%#13888E
Darker −30%#0D5D61
Darker −40%#073234
More saturated +25%#08F3FF
Less saturated −25%#44BDC3

Channel breakdown

R37
G217
B226
Red37 (14.5%)
Green217 (85.1%)
Blue226 (88.6%)
Hue182.86°
Saturation (HSL)76.52%
Lightness51.57%
Dominant channelBlue
Hex per channelR 25 · G D9 · B E2

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Every value on this page was computed from “25d9e2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.