#51A922#51A922

#51A922 is a light, vivid yellow-green. Relative luminance 0.302; OKLCH L 65.5% C 0.185 H 137.4°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#51A922
RGB	rgb(81, 169, 34)
HSL	hsl(99, 67%, 40%)
HSV	hsv(99, 80%, 66%)
CMYK	cmyk(52.1%, 0%, 79.9%, 33.7%)
CIE-LAB	lab(61.86, -49.17, 56.45)
CIE-LCH	lch(61.86, 74.86, 131.06°)
OKLab	oklab(65.49% -0.1364 0.1252)
OKLCH	oklch(65.49% 0.185 137.4)
XYZ	xyz(17.8695, 30.2394, 6.4082)
Luminance	0.3024 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A922 #7A22A9

analogous

#95A922 #51A922 #22A937

triadic

#51A922 #2251A9 #A92251

tetradic

#51A922 #2295A9 #7A22A9 #A93722

square

#51A922 #2295A9 #7A22A9 #A93722

split-complementary

#51A922 #3722A9 #A92295

monochromatic

#20430D #397618 #51A922 #6BD632 #90E065

Accessibility & contrast

On white

2.98

#51A922 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#51A922 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A922

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A922	#FFFFFF	#000000	##000000
##51A922	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9A00

Deuteranopia (green-blind)

#A39332

Tritanopia (blue-blind)

#4BA390

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #51a922;
/* rgb */ color: rgb(81, 169, 34);
/* oklch */ color: oklch(65.5% 0.185 137.4);

Tailwind

colors: {
  custom: {
    50: '#8bc369',
    500: '#51a922',
    950: '#000000',
  },
}

SCSS

$custom: #51a922;
$custom-light: #8bc369;
$custom-dark: #000000;

JSON

{
  "hex": "#51a922",
  "rgb": {
    "r": 81,
    "g": 169,
    "b": 34
  },
  "hsl": {
    "h": 99.111,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.65492,
    "c": 0.18513,
    "h": 137.4
  },
  "luminance": 0.30241
}

Semantic roles & 50–950 ramp

primary

#51A922

secondary

#A361C5

accent

#3EE9AE

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51A922

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

Preview Lab → · Contrast checker → · Palette generator →