#51A924#51A924

#51A924 is a light, vivid yellow-green. Relative luminance 0.303; OKLCH L 65.5% C 0.184 H 137.6°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#51A924
RGB	rgb(81, 169, 36)
HSL	hsl(100, 65%, 40%)
HSV	hsv(100, 79%, 66%)
CMYK	cmyk(52.1%, 0%, 78.7%, 33.7%)
CIE-LAB	lab(61.87, -49.05, 55.84)
CIE-LCH	lch(61.87, 74.32, 131.30°)
OKLab	oklab(65.5% -0.136 0.1242)
OKLCH	oklch(65.5% 0.184 137.6)
XYZ	xyz(17.8991, 30.2513, 6.5646)
Luminance	0.3025 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A924 #7C24A9

analogous

#94A924 #51A924 #24A939

triadic

#51A924 #2451A9 #A92451

tetradic

#51A924 #2494A9 #7C24A9 #A93924

square

#51A924 #2494A9 #7C24A9 #A93924

split-complementary

#51A924 #3924A9 #A92494

monochromatic

#21440F #397719 #51A924 #6CD436 #91DF68

Accessibility & contrast

On white

2.98

#51A924 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#51A924 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A924

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A924	#FFFFFF	#000000	##000000
##51A924	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)

#A39333

Tritanopia (blue-blind)

#4BA390

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #51a924;
/* rgb */ color: rgb(81, 169, 36);
/* oklch */ color: oklch(65.5% 0.184 137.6);

Tailwind

colors: {
  custom: {
    50: '#8bc36a',
    500: '#51a924',
    950: '#000000',
  },
}

SCSS

$custom: #51a924;
$custom-light: #8bc36a;
$custom-dark: #000000;

JSON

{
  "hex": "#51a924",
  "rgb": {
    "r": 81,
    "g": 169,
    "b": 36
  },
  "hsl": {
    "h": 99.699,
    "s": 64.878,
    "l": 40.196
  },
  "oklch": {
    "l": 0.65503,
    "c": 0.18416,
    "h": 137.6
  },
  "luminance": 0.30253
}

Semantic roles & 50–950 ramp

primary

#51A924

secondary

#A464C5

accent

#40E8AF

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51A924

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

Preview Lab → · Contrast checker → · Palette generator →