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Recognised as Colour

#57B98F

  • #57B98F
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#57B98F is a cyan with RGB values 87, 185, 143 and HSL 154°, 41%, 53%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#57B98F#57B98F
HEX#57B98F
RGBrgb(87, 185, 143)
RGB (0–1)0.3412, 0.7255, 0.5608
RGB percentages34.1%, 72.5%, 56.1%
HSLhsl(154.3, 41.2%, 53.3%)
HSV / HSBhsv(154.3, 53%, 72.5%)
CMYK53%, 0%, 22.7%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,749,135
CSS custom property--colour: #57B98F;

Brightness & contrast

Relative luminance0.38707WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.74:1
Contrast with white2.4:1WCAG normal text: Fail
Contrast with black8.74:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#A84670

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B6AD8Dno red cones; affects about 1% of men; ΔE 37.2 from the original
Deuteranopia#A8A392no green cones; the most common form, about 1% of men; ΔE 37.8 from the original
Tritanopia#33B9ADno blue cones; rare, and affects men and women equally; ΔE 16.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.4:1WCAG large text: Fail
Contrast with black, large text8.74:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 8.4Medium seagreen · ΔE 15.3Dark seagreen · ΔE 16.3Sea green · ΔE 18.6Light seagreen · ΔE 19.3Turquoise · ΔE 21.7
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 8.4, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B95781
Analogous#57B95E, #57B2B9
Triadic#8F57B9, #B98F57
Split complementary#B957B2, #B95E57
Tetradic#5E57B9, #B95781, #B2B957

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7F5EF
Lighter +30%#C3E6D7
Lighter +20%#9FD7BF
Lighter +10%#7BC8A7
Darker −10%#419C75
Darker −20%#32785A
Darker −30%#23543F
Darker −40%#143024
More saturated +25%#39D793
Less saturated −25%#759B8B

Channel breakdown

R87
G185
B143
Red87 (34.1%)
Green185 (72.5%)
Blue143 (56.1%)
Hue154.29°
Saturation (HSL)41.18%
Lightness53.33%
Dominant channelGreen
Hex per channelR 57 · G B9 · B 8F

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Every value on this page was computed from “57b98f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.