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Recognised as Colour

#01804E

  • #01804E
  • Cyan
  • Dark
  • Nearest: Sea green

#01804E is a cyan with RGB values 1, 128, 78 and HSL 156°, 98%, 25%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#01804E#01804E
HEX#01804E
RGBrgb(1, 128, 78)
RGB (0–1)0.0039, 0.502, 0.3059
RGB percentages0.4%, 50.2%, 30.6%
HSLhsl(156.4, 98.4%, 25.3%)
HSV / HSBhsv(156.4, 99.2%, 50.2%)
CMYK99.2%, 0%, 39.1%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer98,382
CSS custom property--colour: #01804E;

Brightness & contrast

Relative luminance0.15995WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5:1
Contrast with white5:1WCAG normal text: AA
Contrast with black4.2:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#FE7FB1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7F754Bno red cones; affects about 1% of men; ΔE 40.4 from the original
Deuteranopia#726C51no green cones; the most common form, about 1% of men; ΔE 40.4 from the original
Tritanopia#007F73no blue cones; rare, and affects men and women equally; ΔE 23.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5:1WCAG large text: AAA
Contrast with black, large text4.2:1WCAG large text: AA

Named colours

Sea green · ΔE 5.5Medium seagreen · ΔE 19.9Dark green · ΔE 25.4Dark olivegreen · ΔE 26.9Forest green · ΔE 27.3Teal · ΔE 30.7
Nearest named CSS colourSea green (#2E8B57)ΔE 5.54, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#800133
Analogous#01800F, #017280
Triadic#4E0180, #804E01
Split complementary#800172, #800F01
Tetradic#0F0180, #800133, #728001

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4FFEB9
Lighter +30%#1DFDA5
Lighter +20%#02E58C
Lighter +10%#01B36D
Darker −10%#014D2F
Darker −20%#001B10
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00814E
Less saturated −25%#11704B

Channel breakdown

R1
G128
B78
Red1 (0.4%)
Green128 (50.2%)
Blue78 (30.6%)
Hue156.38°
Saturation (HSL)98.45%
Lightness25.29%
Dominant channelGreen
Hex per channelR 01 · G 80 · B 4E

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Every value on this page was computed from “01804e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.