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Colour

#283A23

  • #283A23
  • Green
  • Dark
  • Nearest: Dark slate grey

#283A23 is a green with RGB values 40, 58, 35 and HSL 107°, 25%, 18%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#283A23#283A23
HEX#283A23
RGBrgb(40, 58, 35)
RGB (0–1)0.1569, 0.2275, 0.1373
RGB percentages15.7%, 22.7%, 13.7%
HSLhsl(107, 24.7%, 18.2%)
HSV / HSBhsv(107, 39.7%, 22.7%)
CMYK31%, 0%, 39.7%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,636,323
CSS custom property--colour: #283A23;

Brightness & contrast

Relative luminance0.03599WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.21:1
Contrast with white12.21:1WCAG normal text: AAA
Contrast with black1.72:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#D7C5DC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B3621no red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#393524no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#273834no blue cones; rare, and affects men and women equally; ΔE 12.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.21:1WCAG large text: AAA
Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.2Dark olivegreen · ΔE 27.9Dim grey · ΔE 28.2Black · ΔE 28.3Gray · ΔE 35.8Teal · ΔE 36.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.15, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#35233A
Analogous#343A23, #233A2A
Triadic#23283A, #3A2328
Split complementary#2A233A, #3A2333
Tetradic#23333A, #35233A, #3A2A23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86AF7A
Lighter +30%#6A995D
Lighter +20%#547A49
Lighter +10%#3E5A36
Darker −10%#121A10
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#214617
Less saturated −25%#2F2F2F

Channel breakdown

R40
G58
B35
Red40 (15.7%)
Green58 (22.7%)
Blue35 (13.7%)
Hue106.96°
Saturation (HSL)24.73%
Lightness18.24%
Dominant channelGreen
Hex per channelR 28 · G 3A · B 23

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Every value on this page was computed from “283a23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.