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Recognised as Colour

#40AB57

  • #40AB57
  • Green
  • Dark
  • Nearest: Medium seagreen

#40AB57 is a green with RGB values 64, 171, 87 and HSL 133°, 46%, 46%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#40AB57#40AB57
HEX#40AB57
RGBrgb(64, 171, 87)
RGB (0–1)0.251, 0.6706, 0.3412
RGB percentages25.1%, 67.1%, 34.1%
HSLhsl(132.9, 45.5%, 46.1%)
HSV / HSBhsv(132.9, 62.6%, 67.1%)
CMYK62.6%, 0%, 49.1%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,238,167
CSS custom property--colour: #40AB57;

Brightness & contrast

Relative luminance0.30904WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.18:1
Contrast with white2.92:1WCAG normal text: Fail
Contrast with black7.18:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#BF54A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AD9D50no red cones; affects about 1% of men; ΔE 45.2 from the original
Deuteranopia#9F935Dno green cones; the most common form, about 1% of men; ΔE 45.5 from the original
Tritanopia#22A897no blue cones; rare, and affects men and women equally; ΔE 36.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.92:1WCAG large text: Fail
Contrast with black, large text7.18:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 10.4Forest green · ΔE 16Sea green · ΔE 20.1Green · ΔE 22.7Light green · ΔE 24.4Olivedrab · ΔE 26.9
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 10.37, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB4094
Analogous#5FAB40, #40AB8C
Triadic#5740AB, #AB5740
Split complementary#8C40AB, #AB405F
Tetradic#405FAB, #AB4094, #AB8C40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBECD2
Lighter +30%#A6DEB2
Lighter +20%#81D092
Lighter +10%#5CC272
Darker −10%#328644
Darker −20%#246131
Darker −30%#163C1E
Darker −40%#08170B
More saturated +25%#23C846
Less saturated −25%#5D8E68

Channel breakdown

R64
G171
B87
Red64 (25.1%)
Green171 (67.1%)
Blue87 (34.1%)
Hue132.9°
Saturation (HSL)45.53%
Lightness46.08%
Dominant channelGreen
Hex per channelR 40 · G AB · B 57

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Every value on this page was computed from “40ab57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.