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Recognised as Colour

#047B51

  • #047B51
  • Cyan
  • Dark
  • Nearest: Sea green

#047B51 is a cyan with RGB values 4, 123, 81 and HSL 159°, 94%, 25%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#047B51#047B51
HEX#047B51
RGBrgb(4, 123, 81)
RGB (0–1)0.0157, 0.4824, 0.3176
RGB percentages1.6%, 48.2%, 31.8%
HSLhsl(158.8, 93.7%, 24.9%)
HSV / HSBhsv(158.8, 96.7%, 48.2%)
CMYK96.7%, 0%, 34.1%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer293,713
CSS custom property--colour: #047B51;

Brightness & contrast

Relative luminance0.14786WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.31:1
Contrast with white5.31:1WCAG normal text: AA
Contrast with black3.96:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#FB84AE

Colour vision & accessibility

Protanopia#79714Eno red cones; affects about 1% of men; ΔE 37.6 from the original
Deuteranopia#6D6854no green cones; the most common form, about 1% of men; ΔE 38.2 from the original
Tritanopia#007B70no blue cones; rare, and affects men and women equally; ΔE 19.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.31:1WCAG large text: AAA
Contrast with black, large text3.96:1WCAG large text: AA

Named colours

Nearest named CSS colourSea green (#2E8B57)ΔE 8.01, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#7B042E
Analogous#047B15, #046A7B
Triadic#51047B, #7B5104
Split complementary#7B046A, #7B1504
Tetradic#15047B, #7B042E, #6A7B04

Tints, shades & saturation

Lighter +40%#52F9BE
Lighter +30%#20F8AC
Lighter +20%#07DE92
Lighter +10%#06AC72
Darker −10%#024A30
Darker −20%#011810
Darker −30%#000000
Darker −40%#000000
More saturated +25%#007F52
Less saturated −25%#146B4C

Channel breakdown

R4
G123
B81
Red4 (1.6%)
Green123 (48.2%)
Blue81 (31.8%)
Hue158.82°
Saturation (HSL)93.7%
Lightness24.9%
Dominant channelGreen
Hex per channelR 04 · G 7B · B 51

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Every value on this page was computed from “047b51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.