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Recognised as Colour

#99ECD1

  • #99ECD1
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#99ECD1 is a cyan with RGB values 153, 236, 209 and HSL 160°, 69%, 76%. It is a light colour, so black text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#99ECD1#99ECD1
HEX#99ECD1
RGBrgb(153, 236, 209)
RGB (0–1)0.6, 0.9255, 0.8196
RGB percentages60%, 92.5%, 82%
HSLhsl(160.5, 68.6%, 76.3%)
HSV / HSBhsv(160.5, 35.2%, 92.5%)
CMYK35.2%, 0%, 11.4%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,087,633
CSS custom property--colour: #99ECD1;

Brightness & contrast

Relative luminance0.71367WCAG 2.x, 0 is black and 1 is white
Perceived brightness211.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.27:1
Contrast with white1.37:1WCAG normal text: Fail
Contrast with black15.27:1WCAG normal text: AAA
Greyscale equivalent#D8D8D8
Inverted#66132E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E7E2D0no red cones; affects about 1% of men; ΔE 30.1 from the original
Deuteranopia#D9D8D3no green cones; the most common form, about 1% of men; ΔE 30.7 from the original
Tritanopia#82EDE4no blue cones; rare, and affects men and women equally; ΔE 10.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.37:1WCAG large text: Fail
Contrast with black, large text15.27:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 14.4Aquamarine · ΔE 15.8Pale turquoise · ΔE 16.4Turquoise · ΔE 17.1Medium turquoise · ΔE 18.4Dark seagreen · ΔE 21.5
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 14.35, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EC99B4
Analogous#99ECA7, #99DEEC
Triadic#D199EC, #ECD199
Split complementary#EC99DE, #ECA799
Tetradic#A799EC, #EC99B4, #DEEC99

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EFFCF8
Lighter +10%#C4F4E4
Darker −10%#6EE4BE
Darker −20%#43DCAA
Darker −30%#25C792
Darker −40%#1D9C73
More saturated +25%#8AFBD6
Less saturated −25%#A8DDCC

Channel breakdown

R153
G236
B209
Red153 (60%)
Green236 (92.5%)
Blue209 (82%)
Hue160.48°
Saturation (HSL)68.6%
Lightness76.27%
Dominant channelGreen
Hex per channelR 99 · G EC · B D1

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Every value on this page was computed from “99ecd1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.