#51A226#51A226

#51A226 is a light, vivid yellow-green. Relative luminance 0.277; OKLCH L 63.7% C 0.175 H 137.2°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#51A226
RGB	rgb(81, 162, 38)
HSL	hsl(99, 62%, 39%)
HSV	hsv(99, 77%, 64%)
CMYK	cmyk(50%, 0%, 76.5%, 36.5%)
CIE-LAB	lab(59.64, -46.21, 53.03)
CIE-LCH	lch(59.64, 70.34, 131.07°)
OKLab	oklab(63.67% -0.1282 0.1187)
OKLCH	oklch(63.67% 0.175 137.2)
XYZ	xyz(16.6630, 27.7288, 6.3075)
Luminance	0.2773 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A226 #7726A2

analogous

#8FA226 #51A226 #26A239

triadic

#51A226 #2651A2 #A22651

tetradic

#51A226 #268FA2 #7726A2 #A23926

square

#51A226 #268FA2 #7726A2 #A23926

split-complementary

#51A226 #3926A2 #A2268F

monochromatic

#1F3F0F #38701A #51A226 #6BD035 #8FDB67

Accessibility & contrast

On white

3.21

#51A226 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#51A226 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A226

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A226	#FFFFFF	#000000	##000000
##51A226	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79409

Deuteranopia (green-blind)

#9D8D33

Tritanopia (blue-blind)

#4C9C8A

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #51a226;
/* rgb */ color: rgb(81, 162, 38);
/* oklch */ color: oklch(63.7% 0.175 137.2);

Tailwind

colors: {
  custom: {
    50: '#8abe6a',
    500: '#51a226',
    950: '#000000',
  },
}

SCSS

$custom: #51a226;
$custom-light: #8abe6a;
$custom-dark: #000000;

JSON

{
  "hex": "#51a226",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 38
  },
  "hsl": {
    "h": 99.194,
    "s": 62,
    "l": 39.216
  },
  "oklch": {
    "l": 0.63673,
    "c": 0.17467,
    "h": 137.2
  },
  "luminance": 0.2773
}

Semantic roles & 50–950 ramp

primary

#51A226

secondary

#A063C1

accent

#43E5AD

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #51A226

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

Preview Lab → · Contrast checker → · Palette generator →