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Colour

#28B563

  • #28B563
  • Green
  • Dark
  • Nearest: Medium seagreen

#28B563 is a green with RGB values 40, 181, 99 and HSL 145°, 64%, 43%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#28B563#28B563
HEX#28B563
RGBrgb(40, 181, 99)
RGB (0–1)0.1569, 0.7098, 0.3882
RGB percentages15.7%, 71%, 38.8%
HSLhsl(145.1, 63.8%, 43.3%)
HSV / HSBhsv(145.1, 77.9%, 71%)
CMYK77.9%, 0%, 45.3%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,667,875
CSS custom property--colour: #28B563;

Brightness & contrast

Relative luminance0.344WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.88:1
Contrast with white2.66:1WCAG normal text: Fail
Contrast with black7.88:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#D74A9C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B5A55Dno red cones; affects about 1% of men; ΔE 51.3 from the original
Deuteranopia#A59A69no green cones; the most common form, about 1% of men; ΔE 51.4 from the original
Tritanopia#00B2A1no blue cones; rare, and affects men and women equally; ΔE 36.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.66:1WCAG large text: Fail
Contrast with black, large text7.88:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 9.8Forest green · ΔE 20.5Sea green · ΔE 23.4Light green · ΔE 23.5Green · ΔE 26.6Pale green · ΔE 27.2
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.75, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B5287A
Analogous#34B528, #28B5A9
Triadic#6328B5, #B56328
Split complementary#A928B5, #B52834
Tetradic#2834B5, #B5287A, #B5A928

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9F0D0
Lighter +30%#90E6B4
Lighter +20%#66DD98
Lighter +10%#3CD47C
Darker −10%#1F8B4C
Darker −20%#166135
Darker −30%#0C381E
Darker −40%#030E08
More saturated +25%#0CD15E
Less saturated −25%#449968

Channel breakdown

R40
G181
B99
Red40 (15.7%)
Green181 (71%)
Blue99 (38.8%)
Hue145.11°
Saturation (HSL)63.8%
Lightness43.33%
Dominant channelGreen
Hex per channelR 28 · G B5 · B 63

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Every value on this page was computed from “28b563” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.