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Recognised as Colour

#045537

  • #045537
  • Cyan
  • Dark
  • Nearest: Sea green

#045537 is a cyan with RGB values 4, 85, 55 and HSL 158°, 91%, 17%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Sea green.

Colour values

#045537#045537
HEX#045537
RGBrgb(4, 85, 55)
RGB (0–1)0.0157, 0.3333, 0.2157
RGB percentages1.6%, 33.3%, 21.6%
HSLhsl(157.8, 91%, 17.5%)
HSV / HSBhsv(157.8, 95.3%, 33.3%)
CMYK95.3%, 0%, 35.3%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer283,959
CSS custom property--colour: #045537;

Brightness & contrast

Relative luminance0.06799WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.9:1
Contrast with white8.9:1WCAG normal text: AAA
Contrast with black2.36:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#FBAAC8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#544E35no red cones; affects about 1% of men; ΔE 28.8 from the original
Deuteranopia#4B4739no green cones; the most common form, about 1% of men; ΔE 29.4 from the original
Tritanopia#00554Dno blue cones; rare, and affects men and women equally; ΔE 14.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.9:1WCAG large text: AAA
Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Sea green · ΔE 23.9Dark slate grey · ΔE 24Dark olivegreen · ΔE 24.9Teal · ΔE 26.1Dark cyan · ΔE 29.2Dark green · ΔE 33.5
Nearest named CSS colourSea green (#2E8B57)ΔE 23.89, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#550422
Analogous#04550E, #044A55
Triadic#370455, #553704
Split complementary#55044A, #550E04
Tetradic#0F0455, #550422, #4B5504

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#30F5AC
Lighter +30%#0BE796
Lighter +20%#09B676
Lighter +10%#068657
Darker −10%#022417
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005938
Less saturated −25%#0F4A34

Channel breakdown

R4
G85
B55
Red4 (1.6%)
Green85 (33.3%)
Blue55 (21.6%)
Hue157.78°
Saturation (HSL)91.01%
Lightness17.45%
Dominant channelGreen
Hex per channelR 04 · G 55 · B 37

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Every value on this page was computed from “hex 045537” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.