#519B21#519B21

#519B21 is a mid, vivid yellow-green. Relative luminance 0.253; OKLCH L 61.8% C 0.169 H 136.2°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#519B21
RGB	rgb(81, 155, 33)
HSL	hsl(96, 65%, 37%)
HSV	hsv(96, 79%, 61%)
CMYK	cmyk(47.7%, 0%, 78.7%, 39.2%)
CIE-LAB	lab(57.37, -43.72, 52.51)
CIE-LCH	lch(57.37, 68.33, 129.78°)
OKLab	oklab(61.79% -0.1218 0.1168)
OKLCH	oklch(61.79% 0.169 136.2)
XYZ	xyz(15.3888, 25.3008, 5.5112)
Luminance	0.2530 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519B21 #6B219B

analogous

#8E9B21 #519B21 #219B2E

triadic

#519B21 #21519B #9B2151

tetradic

#519B21 #218E9B #6B219B #9B2E21

square

#519B21 #218E9B #6B219B #9B2E21

split-complementary

#519B21 #2E219B #9B218E

monochromatic

#1C360C #376916 #519B21 #6BCD2C #8DDC5A

Accessibility & contrast

On white

3.47

#519B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#519B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519B21

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519B21	#FFFFFF	#000000	##000000
##519B21	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E00

Deuteranopia (green-blind)

#97872E

Tritanopia (blue-blind)

#4E9584

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #519b21;
/* rgb */ color: rgb(81, 155, 33);
/* oklch */ color: oklch(61.8% 0.169 136.2);

Tailwind

colors: {
  custom: {
    50: '#89b966',
    500: '#519b21',
    950: '#000000',
  },
}

SCSS

$custom: #519b21;
$custom-light: #89b966;
$custom-dark: #000000;

JSON

{
  "hex": "#519b21",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 33
  },
  "hsl": {
    "h": 96.393,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.61793,
    "c": 0.16877,
    "h": 136.2
  },
  "luminance": 0.25302
}

Semantic roles & 50–950 ramp

primary

#519B21

secondary

#9758C0

accent

#40E8A6

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #519B21

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

Preview Lab → · Contrast checker → · Palette generator →