#519D21#519D21

#519D21 is a light, vivid yellow-green. Relative luminance 0.260; OKLCH L 62.3% C 0.171 H 136.4°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#519D21
RGB	rgb(81, 157, 33)
HSL	hsl(97, 65%, 37%)
HSV	hsv(97, 79%, 62%)
CMYK	cmyk(48.4%, 0%, 79%, 38.4%)
CIE-LAB	lab(58.01, -44.53, 53.13)
CIE-LCH	lch(58.01, 69.32, 129.97°)
OKLab	oklab(62.32% -0.124 0.1181)
OKLCH	oklch(62.32% 0.171 136.4)
XYZ	xyz(15.7244, 25.9720, 5.6231)
Luminance	0.2597 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519D21 #6D219D

analogous

#8F9D21 #519D21 #219D2F

triadic

#519D21 #21519D #9D2151

tetradic

#519D21 #218F9D #6D219D #9D2F21

square

#519D21 #218F9D #6D219D #9D2F21

split-complementary

#519D21 #2F219D #9D218F

monochromatic

#1D380C #376A16 #519D21 #6BD02C #8EDD5C

Accessibility & contrast

On white

3.39

#519D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#519D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519D21

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519D21	#FFFFFF	#000000	##000000
##519D21	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F00

Deuteranopia (green-blind)

#99892F

Tritanopia (blue-blind)

#4D9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #519d21;
/* rgb */ color: rgb(81, 157, 33);
/* oklch */ color: oklch(62.3% 0.171 136.4);

Tailwind

colors: {
  custom: {
    50: '#89ba67',
    500: '#519d21',
    950: '#000000',
  },
}

SCSS

$custom: #519d21;
$custom-light: #89ba67;
$custom-dark: #000000;

JSON

{
  "hex": "#519d21",
  "rgb": {
    "r": 81,
    "g": 157,
    "b": 33
  },
  "hsl": {
    "h": 96.774,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.62322,
    "c": 0.17122,
    "h": 136.4
  },
  "luminance": 0.25973
}

Semantic roles & 50–950 ramp

primary

#519D21

secondary

#9959C1

accent

#40E8A7

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #519D21

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →