Nerdulator> put something in

Recognised as Colour

#1BB21F

  • #1BB21F
  • Green
  • Dark
  • Nearest: Limegreen

#1BB21F is a green with RGB values 27, 178, 31 and HSL 122°, 74%, 40%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#1BB21F#1BB21F
HEX#1BB21F
RGBrgb(27, 178, 31)
RGB (0–1)0.1059, 0.698, 0.1216
RGB percentages10.6%, 69.8%, 12.2%
HSLhsl(121.6, 73.7%, 40.2%)
HSV / HSBhsv(121.6, 84.8%, 69.8%)
CMYK84.8%, 0%, 82.6%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,815,071
CSS custom property--colour: #1BB21F;

Brightness & contrast

Relative luminance0.32173WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.43:1
Contrast with white2.82:1WCAG normal text: Fail
Contrast with black7.43:1WCAG normal text: AAA
Greyscale equivalent#878787
Inverted#E44DE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B6A000no red cones; affects about 1% of men; ΔE 58.7 from the original
Deuteranopia#A79632no green cones; the most common form, about 1% of men; ΔE 58 from the original
Tritanopia#00AD98no blue cones; rare, and affects men and women equally; ΔE 61.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.82:1WCAG large text: Fail
Contrast with black, large text7.43:1WCAG large text: AAA

Named colours

Limegreen · ΔE 10.5Green · ΔE 22.3Forest green · ΔE 22.9Yellow green · ΔE 29.4Spring green · ΔE 30.8Light green · ΔE 35.6
Nearest named CSS colourLimegreen (#32CD32)ΔE 10.47, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B21BAE
Analogous#62B21B, #1BB26B
Triadic#1F1BB2, #B21F1B
Split complementary#6A1BB2, #B21B63
Tetradic#1B63B2, #B21BAE, #B26B1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7F2A9
Lighter +30%#7BEB7E
Lighter +20%#4FE453
Lighter +10%#22DE27
Darker −10%#148617
Darker −20%#0E5910
Darker −30%#072D08
Darker −40%#000100
More saturated +25%#01CC07
Less saturated −25%#359837

Channel breakdown

R27
G178
B31
Red27 (10.6%)
Green178 (69.8%)
Blue31 (12.2%)
Hue121.59°
Saturation (HSL)73.66%
Lightness40.2%
Dominant channelGreen
Hex per channelR 1B · G B2 · B 1F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “1bb21f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.