#51A722#51A722

#51A722 is a light, vivid yellow-green. Relative luminance 0.295; OKLCH L 65.0% C 0.183 H 137.3°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#51A722
RGB	rgb(81, 167, 34)
HSL	hsl(99, 66%, 39%)
HSV	hsv(99, 80%, 65%)
CMYK	cmyk(51.5%, 0%, 79.6%, 34.5%)
CIE-LAB	lab(61.22, -48.40, 55.85)
CIE-LCH	lch(61.22, 73.90, 130.92°)
OKLab	oklab(64.96% -0.1343 0.1239)
OKLCH	oklch(64.96% 0.183 137.3)
XYZ	xyz(17.5002, 29.5010, 6.2851)
Luminance	0.2950 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A722 #7822A7

analogous

#94A722 #51A722 #22A736

triadic

#51A722 #2251A7 #A72251

tetradic

#51A722 #2294A7 #7822A7 #A73622

square

#51A722 #2294A7 #7822A7 #A73622

split-complementary

#51A722 #3622A7 #A72294

monochromatic

#20410D #387418 #51A722 #6BD531 #90DF64

Accessibility & contrast

On white

3.04

#51A722 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#51A722 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A722

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A722	#FFFFFF	#000000	##000000
##51A722	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AD9800

Deuteranopia (green-blind)

#A29131

Tritanopia (blue-blind)

#4BA18E

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #51a722;
/* rgb */ color: rgb(81, 167, 34);
/* oklch */ color: oklch(65.0% 0.183 137.3);

Tailwind

colors: {
  custom: {
    50: '#8bc269',
    500: '#51a722',
    950: '#000000',
  },
}

SCSS

$custom: #51a722;
$custom-light: #8bc269;
$custom-dark: #000000;

JSON

{
  "hex": "#51a722",
  "rgb": {
    "r": 81,
    "g": 167,
    "b": 34
  },
  "hsl": {
    "h": 98.797,
    "s": 66.169,
    "l": 39.412
  },
  "oklch": {
    "l": 0.64965,
    "c": 0.18276,
    "h": 137.3
  },
  "luminance": 0.29502
}

Semantic roles & 50–950 ramp

primary

#51A722

secondary

#A160C5

accent

#3FE9AD

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1207

muted

#7E817A

Preview Lab

Preview with #51A722

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

Preview Lab → · Contrast checker → · Palette generator →