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Recognised as Colour

#25CBDE

  • #25CBDE
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#25CBDE is a cyan with RGB values 37, 203, 222 and HSL 186°, 74%, 51%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#25CBDE#25CBDE
HEX#25CBDE
RGBrgb(37, 203, 222)
RGB (0–1)0.1451, 0.7961, 0.8706
RGB percentages14.5%, 79.6%, 87.1%
HSLhsl(186.2, 73.7%, 50.8%)
HSV / HSBhsv(186.2, 83.3%, 87.1%)
CMYK83.3%, 8.6%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,477,022
CSS custom property--colour: #25CBDE;

Brightness & contrast

Relative luminance0.48379WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.68:1
Contrast with white1.97:1WCAG normal text: Fail
Contrast with black10.68:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#DA3421

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B8C3DFno red cones; affects about 1% of men; ΔE 35.7 from the original
Deuteranopia#A1B1DEno green cones; the most common form, about 1% of men; ΔE 37.8 from the original
Tritanopia#00D5D1no blue cones; rare, and affects men and women equally; ΔE 14.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.97:1WCAG large text: Fail
Contrast with black, large text10.68:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 10.1Medium turquoise · ΔE 13.3Light seagreen · ΔE 17.8Sky blue · ΔE 18.7Turquoise · ΔE 21Aqua · ΔE 23
Nearest named CSS colourDark turquoise (#00CED1)ΔE 10.1, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DE3825
Analogous#25DE95, #256EDE
Triadic#DE25CB, #CBDE25
Split complementary#DE256E, #DE9525
Tetradic#9525DE, #DE3825, #6EDE25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6F5F9
Lighter +30%#AAEBF2
Lighter +20%#7EE0EB
Lighter +10%#51D6E5
Darker −10%#1BA5B5
Darker −20%#157C88
Darker −30%#0E545C
Darker −40%#072C30
More saturated +25%#06E4FD
Less saturated −25%#44B2BF

Channel breakdown

R37
G203
B222
Red37 (14.5%)
Green203 (79.6%)
Blue222 (87.1%)
Hue186.16°
Saturation (HSL)73.71%
Lightness50.78%
Dominant channelBlue
Hex per channelR 25 · G CB · B DE

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