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Recognised as Colour

#ACE4DD

  • #ACE4DD
  • Cyan
  • Light
  • Nearest: Pale turquoise

#ACE4DD is a cyan with RGB values 172, 228, 221 and HSL 173°, 51%, 78%. It is a light colour, so black text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Pale turquoise.

Colour values

#ACE4DD#ACE4DD
HEX#ACE4DD
RGBrgb(172, 228, 221)
RGB (0–1)0.6745, 0.8941, 0.8667
RGB percentages67.5%, 89.4%, 86.7%
HSLhsl(172.5, 50.9%, 78.4%)
HSV / HSBhsv(172.5, 24.6%, 89.4%)
CMYK24.6%, 0%, 3.1%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,330,781
CSS custom property--colour: #ACE4DD;

Brightness & contrast

Relative luminance0.69478WCAG 2.x, 0 is black and 1 is white
Perceived brightness212 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.9:1
Contrast with white1.41:1WCAG normal text: Fail
Contrast with black14.9:1WCAG normal text: AAA
Greyscale equivalent#D8D8D8
Inverted#531B22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DEDEDDno red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#D3D6DEno green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#9BE7E2no blue cones; rare, and affects men and women equally; ΔE 5.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.41:1WCAG large text: Fail
Contrast with black, large text14.9:1WCAG large text: AAA

Named colours

Pale turquoise · ΔE 5.2Powder blue · ΔE 7.6Light blue · ΔE 12.7Light cyan · ΔE 14.5Honeydew · ΔE 18.4Azure · ΔE 18.8
Nearest named CSS colourPale turquoise (#AFEEEE)ΔE 5.22, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4ACB3
Analogous#ACE4C1, #ACCFE4
Triadic#DDACE4, #E4DDAC
Split complementary#E4ACCF, #E4C1AC
Tetradic#C1ACE4, #E4ACB3, #CFE4AC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F9FDFD
Lighter +10%#D2F1ED
Darker −10%#86D7CD
Darker −20%#5FCBBD
Darker −30%#3DBAAB
Darker −40%#309487
More saturated +25%#9EF2E7
Less saturated −25%#BAD6D3

Channel breakdown

R172
G228
B221
Red172 (67.5%)
Green228 (89.4%)
Blue221 (86.7%)
Hue172.5°
Saturation (HSL)50.91%
Lightness78.43%
Dominant channelGreen
Hex per channelR AC · G E4 · B DD

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Every value on this page was computed from “ace4dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.