#519C21#519C21

#519C21 is a light, vivid yellow-green. Relative luminance 0.256; OKLCH L 62.1% C 0.170 H 136.3°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#519C21
RGB	rgb(81, 156, 33)
HSL	hsl(97, 65%, 37%)
HSV	hsv(97, 79%, 61%)
CMYK	cmyk(48.1%, 0%, 78.8%, 38.8%)
CIE-LAB	lab(57.69, -44.13, 52.82)
CIE-LCH	lch(57.69, 68.83, 129.88°)
OKLab	oklab(62.06% -0.1229 0.1175)
OKLCH	oklch(62.06% 0.17 136.3)
XYZ	xyz(15.5559, 25.6350, 5.5669)
Luminance	0.2564 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519C21 #6C219C

analogous

#8F9C21 #519C21 #219C2E

triadic

#519C21 #21519C #9C2151

tetradic

#519C21 #218F9C #6C219C #9C2E21

square

#519C21 #218F9C #6C219C #9C2E21

split-complementary

#519C21 #2E219C #9C218F

monochromatic

#1D370C #376916 #519C21 #6BCF2C #8EDC5B

Accessibility & contrast

On white

3.43

#519C21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#519C21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519C21

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519C21	#FFFFFF	#000000	##000000
##519C21	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28E00

Deuteranopia (green-blind)

#98882F

Tritanopia (blue-blind)

#4D9685

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #519c21;
/* rgb */ color: rgb(81, 156, 33);
/* oklch */ color: oklch(62.1% 0.170 136.3);

Tailwind

colors: {
  custom: {
    50: '#89ba67',
    500: '#519c21',
    950: '#000000',
  },
}

SCSS

$custom: #519c21;
$custom-light: #89ba67;
$custom-dark: #000000;

JSON

{
  "hex": "#519c21",
  "rgb": {
    "r": 81,
    "g": 156,
    "b": 33
  },
  "hsl": {
    "h": 96.585,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.62057,
    "c": 0.17,
    "h": 136.3
  },
  "luminance": 0.25636
}

Semantic roles & 50–950 ramp

primary

#519C21

secondary

#9858C1

accent

#40E8A6

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #519C21

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

Preview Lab → · Contrast checker → · Palette generator →