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Recognised as Colour

#028B64

  • #028B64
  • Cyan
  • Dark
  • Nearest: Sea green

#028B64 is a cyan with RGB values 2, 139, 100 and HSL 163°, 97%, 28%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#028B64#028B64
HEX#028B64
RGBrgb(2, 139, 100)
RGB (0–1)0.0078, 0.5451, 0.3922
RGB percentages0.8%, 54.5%, 39.2%
HSLhsl(162.9, 97.2%, 27.6%)
HSV / HSBhsv(162.9, 98.6%, 54.5%)
CMYK98.6%, 0%, 28.1%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer166,756
CSS custom property--colour: #028B64;

Brightness & contrast

Relative luminance0.19398WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.88:1
Contrast with white4.3:1WCAG normal text: Fail
Contrast with black4.88:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#FD749B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#888062no red cones; affects about 1% of men; ΔE 40.1 from the original
Deuteranopia#7A7667no green cones; the most common form, about 1% of men; ΔE 40.6 from the original
Tritanopia#008B80no blue cones; rare, and affects men and women equally; ΔE 17 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.3:1WCAG large text: AA
Contrast with black, large text4.88:1WCAG large text: AAA

Named colours

Sea green · ΔE 8.3Medium seagreen · ΔE 19.8Dark cyan · ΔE 23.8Light seagreen · ΔE 23.9Teal · ΔE 24.4Medium aquamarine · ΔE 25.1
Nearest named CSS colourSea green (#2E8B57)ΔE 8.26, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B0229
Analogous#028B1F, #026E8B
Triadic#64028B, #8B6402
Split complementary#8B026E, #8B1F02
Tetradic#1F028B, #8B0229, #6E8B02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5CFDCF
Lighter +30%#2AFCC0
Lighter +20%#03F0AC
Lighter +10%#03BD88
Darker −10%#015940
Darker −20%#01261C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008D65
Less saturated −25%#14795C

Channel breakdown

R2
G139
B100
Red2 (0.8%)
Green139 (54.5%)
Blue100 (39.2%)
Hue162.92°
Saturation (HSL)97.16%
Lightness27.65%
Dominant channelGreen
Hex per channelR 02 · G 8B · B 64

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Every value on this page was computed from “028b64” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.