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Colour

#21ECE1

  • #21ECE1
  • Cyan
  • Light
  • Nearest: Turquoise

#21ECE1 is a cyan with RGB values 33, 236, 225 and HSL 177°, 84%, 53%. It is a light colour, so black text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#21ECE1#21ECE1
HEX#21ECE1
RGBrgb(33, 236, 225)
RGB (0–1)0.1294, 0.9255, 0.8824
RGB percentages12.9%, 92.5%, 88.2%
HSLhsl(176.7, 84.2%, 52.7%)
HSV / HSBhsv(176.7, 86%, 92.5%)
CMYK86%, 0%, 4.7%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,223,329
CSS custom property--colour: #21ECE1;

Brightness & contrast

Relative luminance0.6575WCAG 2.x, 0 is black and 1 is white
Perceived brightness197 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.15:1
Contrast with white1.48:1WCAG normal text: Fail
Contrast with black14.15:1WCAG normal text: AAA
Greyscale equivalent#C0C0C0
Inverted#DE131E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DEDFE1no red cones; affects about 1% of men; ΔE 48 from the original
Deuteranopia#C5CCE3no green cones; the most common form, about 1% of men; ΔE 49.8 from the original
Tritanopia#00F2E8no blue cones; rare, and affects men and women equally; ΔE 2.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.48:1WCAG large text: Fail
Contrast with black, large text14.15:1WCAG large text: AAA

Named colours

Turquoise · ΔE 6.1Aqua · ΔE 9Cyan · ΔE 9Medium turquoise · ΔE 12.8Dark turquoise · ΔE 13.4Aquamarine · ΔE 19
Nearest named CSS colourTurquoise (#40E0D0)ΔE 6.13, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EC212C
Analogous#21EC7B, #2192EC
Triadic#E121EC, #ECE121
Split complementary#EC2192, #EC7B21
Tetradic#7B21EC, #EC212C, #92EC21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDFCFA
Lighter +30%#AEF8F4
Lighter +20%#7FF4EE
Lighter +10%#50F0E7
Darker −10%#11C9BF
Darker −20%#0D9A92
Darker −30%#096B66
Darker −40%#053C39
More saturated +25%#0EFFF2
Less saturated −25%#3FCEC6

Channel breakdown

R33
G236
B225
Red33 (12.9%)
Green236 (92.5%)
Blue225 (88.2%)
Hue176.75°
Saturation (HSL)84.23%
Lightness52.75%
Dominant channelGreen
Hex per channelR 21 · G EC · B E1

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Every value on this page was computed from “21ece1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.