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Recognised as Colour

#217C4B

  • #217C4B
  • Green
  • Dark
  • Nearest: Sea green

#217C4B is a green with RGB values 33, 124, 75 and HSL 148°, 58%, 31%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#217C4B#217C4B
HEX#217C4B
RGBrgb(33, 124, 75)
RGB (0–1)0.1294, 0.4863, 0.2941
RGB percentages12.9%, 48.6%, 29.4%
HSLhsl(147.7, 58%, 30.8%)
HSV / HSBhsv(147.7, 73.4%, 48.6%)
CMYK73.4%, 0%, 39.5%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,194,507
CSS custom property--colour: #217C4B;

Brightness & contrast

Relative luminance0.15247WCAG 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 5.19:1
Contrast with white5.19:1WCAG normal text: AA
Contrast with black4.05:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#DE83B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7C7248no red cones; affects about 1% of men; ΔE 36.1 from the original
Deuteranopia#706A4Eno green cones; the most common form, about 1% of men; ΔE 36 from the original
Tritanopia#007B70no blue cones; rare, and affects men and women equally; ΔE 22.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.19:1WCAG large text: AAA
Contrast with black, large text4.05:1WCAG large text: AA

Named colours

Sea green · ΔE 5.8Medium seagreen · ΔE 22.2Dark olivegreen · ΔE 22.8Dark green · ΔE 25.1Forest green · ΔE 28.4Teal · ΔE 29.5
Nearest named CSS colourSea green (#2E8B57)ΔE 5.78, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C2152
Analogous#247C21, #217C79
Triadic#4B217C, #7C4B21
Split complementary#79217C, #7C2124
Tetradic#21247C, #7C2152, #7C7921

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#89E0B1
Lighter +30%#61D597
Lighter +20%#39CA7C
Lighter +10%#2CA463
Darker −10%#165433
Darker −20%#0C2B1A
Darker −30%#010302
Darker −40%#000000
More saturated +25%#0D9049
Less saturated −25%#35684D

Channel breakdown

R33
G124
B75
Red33 (12.9%)
Green124 (48.6%)
Blue75 (29.4%)
Hue147.69°
Saturation (HSL)57.96%
Lightness30.78%
Dominant channelGreen
Hex per channelR 21 · G 7C · B 4B

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Every value on this page was computed from “217c4b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.