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Recognised as Colour

#04B198

  • #04B198
  • Cyan
  • Dark
  • Nearest: Light seagreen

#04B198 is a cyan with RGB values 4, 177, 152 and HSL 171°, 96%, 35%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#04B198#04B198
HEX#04B198
RGBrgb(4, 177, 152)
RGB (0–1)0.0157, 0.6941, 0.5961
RGB percentages1.6%, 69.4%, 59.6%
HSLhsl(171.3, 95.6%, 35.5%)
HSV / HSBhsv(171.3, 97.7%, 69.4%)
CMYK97.7%, 0%, 14.1%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer307,608
CSS custom property--colour: #04B198;

Brightness & contrast

Relative luminance0.33737WCAG 2.x, 0 is black and 1 is white
Perceived brightness145 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.75:1
Contrast with white2.71:1WCAG normal text: Fail
Contrast with black7.75:1WCAG normal text: AAA
Greyscale equivalent#8A8A8A
Inverted#FB4E67

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9A597no red cones; affects about 1% of men; ΔE 43.1 from the original
Deuteranopia#97979Ano green cones; the most common form, about 1% of men; ΔE 44.5 from the original
Tritanopia#00B4AAno blue cones; rare, and affects men and women equally; ΔE 8.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.71:1WCAG large text: Fail
Contrast with black, large text7.75:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 10.5Medium aquamarine · ΔE 13.7Medium turquoise · ΔE 17.2Turquoise · ΔE 17.6Dark turquoise · ΔE 19.2Dark cyan · ΔE 21.3
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 10.53, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B1041D
Analogous#04B141, #0474B1
Triadic#9804B1, #B19804
Split complementary#B10474, #B14104
Tetradic#4104B1, #B1041D, #74B104

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#85FCEB
Lighter +30%#53FBE3
Lighter +20%#21FADB
Lighter +10%#05E3C3
Darker −10%#037F6D
Darker −20%#024D42
Darker −30%#011B18
Darker −40%#000000
More saturated +25%#00B59B
Less saturated −25%#1B9A88

Channel breakdown

R4
G177
B152
Red4 (1.6%)
Green177 (69.4%)
Blue152 (59.6%)
Hue171.33°
Saturation (HSL)95.58%
Lightness35.49%
Dominant channelGreen
Hex per channelR 04 · G B1 · B 98

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Every value on this page was computed from “04b198” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.