#51A326#51A326

#51A326 is a light, vivid yellow-green. Relative luminance 0.281; OKLCH L 63.9% C 0.176 H 137.3°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#51A326
RGB	rgb(81, 163, 38)
HSL	hsl(99, 62%, 39%)
HSV	hsv(99, 77%, 64%)
CMYK	cmyk(50.3%, 0%, 76.7%, 36.1%)
CIE-LAB	lab(59.96, -46.60, 53.34)
CIE-LCH	lch(59.96, 70.83, 131.14°)
OKLab	oklab(63.94% -0.1292 0.1193)
OKLCH	oklch(63.94% 0.176 137.3)
XYZ	xyz(16.8399, 28.0825, 6.3664)
Luminance	0.2808 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A326 #7826A3

analogous

#90A326 #51A326 #26A33A

triadic

#51A326 #2651A3 #A32651

tetradic

#51A326 #2690A3 #7826A3 #A33A26

square

#51A326 #2690A3 #7826A3 #A33A26

split-complementary

#51A326 #3A26A3 #A32690

monochromatic

#20400F #38711A #51A326 #6BD036 #90DC68

Accessibility & contrast

On white

3.17

#51A326 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#51A326 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A326

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A326	#FFFFFF	#000000	##000000
##51A326	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A89508

Deuteranopia (green-blind)

#9E8E33

Tritanopia (blue-blind)

#4C9D8B

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #51a326;
/* rgb */ color: rgb(81, 163, 38);
/* oklch */ color: oklch(63.9% 0.176 137.3);

Tailwind

colors: {
  custom: {
    50: '#8abf6a',
    500: '#51a326',
    950: '#000000',
  },
}

SCSS

$custom: #51a326;
$custom-light: #8abf6a;
$custom-dark: #000000;

JSON

{
  "hex": "#51a326",
  "rgb": {
    "r": 81,
    "g": 163,
    "b": 38
  },
  "hsl": {
    "h": 99.36,
    "s": 62.189,
    "l": 39.412
  },
  "oklch": {
    "l": 0.63937,
    "c": 0.17588,
    "h": 137.3
  },
  "luminance": 0.28084
}

Semantic roles & 50–950 ramp

primary

#51A326

secondary

#A163C2

accent

#43E5AD

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #51A326

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

Preview Lab → · Contrast checker → · Palette generator →