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Colour

#04B4B0

  • #04B4B0
  • Cyan
  • Dark
  • Nearest: Light seagreen

#04B4B0 is a cyan with RGB values 4, 180, 176 and HSL 179°, 96%, 36%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#04B4B0#04B4B0
HEX#04B4B0
RGBrgb(4, 180, 176)
RGB (0–1)0.0157, 0.7059, 0.6902
RGB percentages1.6%, 70.6%, 69%
HSLhsl(178.6, 95.7%, 36.1%)
HSV / HSBhsv(178.6, 97.8%, 70.6%)
CMYK97.8%, 0%, 2.2%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer308,400
CSS custom property--colour: #04B4B0;

Brightness & contrast

Relative luminance0.35803WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.16:1
Contrast with white2.57:1WCAG normal text: Fail
Contrast with black8.16:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#FB4B4F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A8AAB0no red cones; affects about 1% of men; ΔE 39.1 from the original
Deuteranopia#949BB1no green cones; the most common form, about 1% of men; ΔE 40.5 from the original
Tritanopia#00BAB2no blue cones; rare, and affects men and women equally; ΔE 3.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.57:1WCAG large text: Fail
Contrast with black, large text8.16:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 2.6Dark turquoise · ΔE 10.3Medium turquoise · ΔE 10.6Dark cyan · ΔE 16Turquoise · ΔE 16.8Cadetblue · ΔE 19.2
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 2.62, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B40408
Analogous#04B458, #0460B4
Triadic#B004B4, #B4B004
Split complementary#B40460, #B45804
Tetradic#5804B4, #B40408, #60B404

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88FCFA
Lighter +30%#56FBF7
Lighter +20%#24FAF5
Lighter +10%#05E6E1
Darker −10%#03827F
Darker −20%#02504E
Darker −30%#011E1E
Darker −40%#000000
More saturated +25%#00B8B4
Less saturated −25%#1B9D9A

Channel breakdown

R4
G180
B176
Red4 (1.6%)
Green180 (70.6%)
Blue176 (69%)
Hue178.64°
Saturation (HSL)95.65%
Lightness36.08%
Dominant channelGreen
Hex per channelR 04 · G B4 · B B0

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Every value on this page was computed from “04b4b0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.