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Recognised as Colour

#01804F

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

#01804F is a cyan with RGB values 1, 128, 79 and HSL 157°, 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

#01804F#01804F
HEX#01804F
RGBrgb(1, 128, 79)
RGB (0–1)0.0039, 0.502, 0.3098
RGB percentages0.4%, 50.2%, 31%
HSLhsl(156.9, 98.4%, 25.3%)
HSV / HSBhsv(156.9, 99.2%, 50.2%)
CMYK99.2%, 0%, 38.3%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer98,383
CSS custom property--colour: #01804F;

Brightness & contrast

Relative luminance0.16009WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.6 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#FE7FB0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7F754Cno red cones; affects about 1% of men; ΔE 40.3 from the original
Deuteranopia#726C52no green cones; the most common form, about 1% of men; ΔE 40.3 from the original
Tritanopia#007F73no blue cones; rare, and affects men and women equally; ΔE 22.6 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 20.1Dark green · ΔE 25.9Dark olivegreen · ΔE 27Forest green · ΔE 27.9Teal · ΔE 30.1
Nearest named CSS colourSea green (#2E8B57)ΔE 5.55, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#800132
Analogous#01800F, #017180
Triadic#4F0180, #804F01
Split complementary#800171, #800F01
Tetradic#100180, #800132, #728001

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4FFEBA
Lighter +30%#1DFDA7
Lighter +20%#02E58D
Lighter +10%#01B36E
Darker −10%#014D30
Darker −20%#001B11
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00814F
Less saturated −25%#11704B

Channel breakdown

R1
G128
B79
Red1 (0.4%)
Green128 (50.2%)
Blue79 (31%)
Hue156.85°
Saturation (HSL)98.45%
Lightness25.29%
Dominant channelGreen
Hex per channelR 01 · G 80 · B 4F

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