#519F21#519F21

#519F21 is a light, vivid yellow-green. Relative luminance 0.267; OKLCH L 62.8% C 0.174 H 136.6°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#519F21
RGB	rgb(81, 159, 33)
HSL	hsl(97, 66%, 38%)
HSV	hsv(97, 79%, 62%)
CMYK	cmyk(49.1%, 0%, 79.2%, 37.6%)
CIE-LAB	lab(58.65, -45.33, 53.73)
CIE-LCH	lch(58.65, 70.30, 130.15°)
OKLab	oklab(62.85% -0.1261 0.1194)
OKLCH	oklch(62.85% 0.174 136.6)
XYZ	xyz(16.0655, 26.6543, 5.7368)
Luminance	0.2666 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519F21 #6F219F

analogous

#909F21 #519F21 #219F30

triadic

#519F21 #21519F #9F2151

tetradic

#519F21 #21909F #6F219F #9F3021

square

#519F21 #21909F #6F219F #9F3021

split-complementary

#519F21 #30219F #9F2190

monochromatic

#1D3A0C #376C16 #519F21 #6BD22C #8EDD5D

Accessibility & contrast

On white

3.32

#519F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#519F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519F21

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519F21	#FFFFFF	#000000	##000000
##519F21	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9A8B2F

Tritanopia (blue-blind)

#4D9988

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #519f21;
/* rgb */ color: rgb(81, 159, 33);
/* oklch */ color: oklch(62.8% 0.174 136.6);

Tailwind

colors: {
  custom: {
    50: '#8abc67',
    500: '#519f21',
    950: '#000000',
  },
}

SCSS

$custom: #519f21;
$custom-light: #8abc67;
$custom-dark: #000000;

JSON

{
  "hex": "#519f21",
  "rgb": {
    "r": 81,
    "g": 159,
    "b": 33
  },
  "hsl": {
    "h": 97.143,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.6285,
    "c": 0.17365,
    "h": 136.6
  },
  "luminance": 0.26655
}

Semantic roles & 50–950 ramp

primary

#519F21

secondary

#9A5AC2

accent

#3FE9A8

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #519F21

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

Preview Lab → · Contrast checker → · Palette generator →