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Recognised as Colour

#2BB781

  • #2BB781
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#2BB781 is a cyan with RGB values 43, 183, 129 and HSL 157°, 62%, 44%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#2BB781#2BB781
HEX#2BB781
RGBrgb(43, 183, 129)
RGB (0–1)0.1686, 0.7176, 0.5059
RGB percentages16.9%, 71.8%, 50.6%
HSLhsl(156.9, 61.9%, 44.3%)
HSV / HSBhsv(156.9, 76.5%, 71.8%)
CMYK76.5%, 0%, 29.5%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,865,025
CSS custom property--colour: #2BB781;

Brightness & contrast

Relative luminance0.35966WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.19:1
Contrast with white2.56:1WCAG normal text: Fail
Contrast with black8.19:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#D4487E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B4A97Eno red cones; affects about 1% of men; ΔE 46.8 from the original
Deuteranopia#A39D85no green cones; the most common form, about 1% of men; ΔE 47.3 from the original
Tritanopia#00B7A9no blue cones; rare, and affects men and women equally; ΔE 22.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.56:1WCAG large text: Fail
Contrast with black, large text8.19:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 7.2Medium aquamarine · ΔE 16.8Sea green · ΔE 17.9Dark seagreen · ΔE 25.9Light seagreen · ΔE 26.3Turquoise · ΔE 26.4
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 7.17, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B72B61
Analogous#2BB73B, #2BA7B7
Triadic#812BB7, #B7812B
Split complementary#B72BA7, #B73B2B
Tetradic#3B2BB7, #B72B61, #A7B72B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEF0DD
Lighter +30%#95E6C7
Lighter +20%#6CDCB1
Lighter +10%#42D39B
Darker −10%#218E64
Darker −20%#186447
Darker −30%#0E3B2A
Darker −40%#04120D
More saturated +25%#0FD387
Less saturated −25%#479B7B

Channel breakdown

R43
G183
B129
Red43 (16.9%)
Green183 (71.8%)
Blue129 (50.6%)
Hue156.86°
Saturation (HSL)61.95%
Lightness44.31%
Dominant channelGreen
Hex per channelR 2B · G B7 · B 81

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Every value on this page was computed from “2bb781” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.