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Recognised as Colour

#57B2AC

  • #57B2AC
  • Cyan
  • Dark
  • Nearest: Light seagreen

#57B2AC is a cyan with RGB values 87, 178, 172 and HSL 176°, 37%, 52%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#57B2AC#57B2AC
HEX#57B2AC
RGBrgb(87, 178, 172)
RGB (0–1)0.3412, 0.698, 0.6745
RGB percentages34.1%, 69.8%, 67.5%
HSLhsl(176, 37.1%, 52%)
HSV / HSBhsv(176, 51.1%, 69.8%)
CMYK51.1%, 0%, 3.4%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,747,372
CSS custom property--colour: #57B2AC;

Brightness & contrast

Relative luminance0.36846WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.37:1
Contrast with white2.51:1WCAG normal text: Fail
Contrast with black8.37:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#A84D53

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9AAACno red cones; affects about 1% of men; ΔE 29 from the original
Deuteranopia#9A9FADno green cones; the most common form, about 1% of men; ΔE 29.8 from the original
Tritanopia#1CB6B0no blue cones; rare, and affects men and women equally; ΔE 9.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.51:1WCAG large text: Fail
Contrast with black, large text8.37:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 9.1Cadetblue · ΔE 10.9Medium turquoise · ΔE 13.5Dark cyan · ΔE 15.5Dark turquoise · ΔE 16.3Medium aquamarine · ΔE 18.8
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 9.11, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B2575D
Analogous#57B27F, #578AB2
Triadic#AC57B2, #B2AC57
Split complementary#B2578A, #B27F57
Tetradic#7F57B2, #B2575D, #8AB257

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3F2F1
Lighter +30%#C0E2E0
Lighter +20%#9DD2CF
Lighter +10%#7AC2BD
Darker −10%#43938E
Darker −20%#33706C
Darker −30%#234D4A
Darker −40%#132A28
More saturated +25%#38D1C7
Less saturated −25%#769391

Channel breakdown

R87
G178
B172
Red87 (34.1%)
Green178 (69.8%)
Blue172 (67.5%)
Hue176.04°
Saturation (HSL)37.14%
Lightness51.96%
Dominant channelGreen
Hex per channelR 57 · G B2 · B AC

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Every value on this page was computed from “57b2ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.