#51A426#51A426

#51A426 is a light, vivid yellow-green. Relative luminance 0.284; OKLCH L 64.2% C 0.177 H 137.4°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#51A426
RGB	rgb(81, 164, 38)
HSL	hsl(100, 62%, 40%)
HSV	hsv(100, 77%, 64%)
CMYK	cmyk(50.6%, 0%, 76.8%, 35.7%)
CIE-LAB	lab(60.28, -46.99, 53.66)
CIE-LCH	lch(60.28, 71.33, 131.21°)
OKLab	oklab(64.2% -0.1303 0.12)
OKLCH	oklch(64.2% 0.177 137.4)
XYZ	xyz(17.0181, 28.4390, 6.4259)
Luminance	0.2844 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A426 #7926A4

analogous

#90A426 #51A426 #26A43A

triadic

#51A426 #2651A4 #A42651

tetradic

#51A426 #2690A4 #7926A4 #A43A26

square

#51A426 #2690A4 #7926A4 #A43A26

split-complementary

#51A426 #3A26A4 #A42690

monochromatic

#20410F #38721A #51A426 #6BD137 #90DC68

Accessibility & contrast

On white

3.14

#51A426 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#51A426 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A426

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A426	#FFFFFF	#000000	##000000
##51A426	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99607

Deuteranopia (green-blind)

#9F8F34

Tritanopia (blue-blind)

#4C9E8C

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #51a426;
/* rgb */ color: rgb(81, 164, 38);
/* oklch */ color: oklch(64.2% 0.177 137.4);

Tailwind

colors: {
  custom: {
    50: '#8ac06a',
    500: '#51a426',
    950: '#000000',
  },
}

SCSS

$custom: #51a426;
$custom-light: #8ac06a;
$custom-dark: #000000;

JSON

{
  "hex": "#51a426",
  "rgb": {
    "r": 81,
    "g": 164,
    "b": 38
  },
  "hsl": {
    "h": 99.524,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.642,
    "c": 0.1771,
    "h": 137.4
  },
  "luminance": 0.2844
}

Semantic roles & 50–950 ramp

primary

#51A426

secondary

#A264C2

accent

#42E5AE

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0D1207

muted

#7D817A

Preview Lab

Preview with #51A426

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

Preview Lab → · Contrast checker → · Palette generator →