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Colour

#00821B

  • #00821B
  • Green
  • Dark
  • Nearest: Forest green

#00821B is a green with RGB values 0, 130, 27 and HSL 132°, 100%, 25%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#00821B#00821B
HEX#00821B
RGBrgb(0, 130, 27)
RGB (0–1)0, 0.5098, 0.1059
RGB percentages0%, 51%, 10.6%
HSLhsl(132.5, 100%, 25.5%)
HSV / HSBhsv(132.5, 100%, 51%)
CMYK100%, 0%, 79.2%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer33,307
CSS custom property--colour: #00821B;

Brightness & contrast

Relative luminance0.16044WCAG 2.x, 0 is black and 1 is white
Perceived brightness100 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.99:1
Contrast with white4.99:1WCAG normal text: AA
Contrast with black4.21:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#FF7DE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#857503no red cones; affects about 1% of men; ΔE 47.7 from the original
Deuteranopia#796C27no green cones; the most common form, about 1% of men; ΔE 47.5 from the original
Tritanopia#007E6Fno blue cones; rare, and affects men and women equally; ΔE 47.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.99:1WCAG large text: AAA
Contrast with black, large text4.21:1WCAG large text: AA

Named colours

Forest green · ΔE 4Green · ΔE 6.1Dark green · ΔE 13.4Olivedrab · ΔE 24.7Sea green · ΔE 26.7Medium seagreen · ΔE 26.9
Nearest named CSS colourForest green (#228B22)ΔE 3.97, a close match
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#820067
Analogous#268200, #00825C
Triadic#1B0082, #821B00
Split complementary#5C0082, #820026
Tetradic#002682, #820067, #825C00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4FFF74
Lighter +30%#1CFF4B
Lighter +20%#00E830
Lighter +10%#00B526
Darker −10%#004F10
Darker −20%#001C06
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00821B
Less saturated −25%#107224

Channel breakdown

R0
G130
B27
Red0 (0%)
Green130 (51%)
Blue27 (10.6%)
Hue132.46°
Saturation (HSL)100%
Lightness25.49%
Dominant channelGreen
Hex per channelR 00 · G 82 · B 1B

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Every value on this page was computed from “00821b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.