#51A824#51A824

#51A824 is a light, vivid yellow-green. Relative luminance 0.299; OKLCH L 65.2% C 0.183 H 137.5°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#51A824
RGB	rgb(81, 168, 36)
HSL	hsl(100, 65%, 40%)
HSV	hsv(100, 79%, 66%)
CMYK	cmyk(51.8%, 0%, 78.6%, 34.1%)
CIE-LAB	lab(61.55, -48.67, 55.53)
CIE-LCH	lch(61.55, 73.84, 131.23°)
OKLab	oklab(65.24% -0.1349 0.1236)
OKLCH	oklch(65.24% 0.183 137.5)
XYZ	xyz(17.7138, 29.8807, 6.5028)
Luminance	0.2988 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A824 #7B24A8

analogous

#93A824 #51A824 #24A839

triadic

#51A824 #2451A8 #A82451

tetradic

#51A824 #2493A8 #7B24A8 #A83924

square

#51A824 #2493A8 #7B24A8 #A83924

split-complementary

#51A824 #3924A8 #A82493

monochromatic

#20430E #397619 #51A824 #6BD435 #90DF68

Accessibility & contrast

On white

3.01

#51A824 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#51A824 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A824

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A824	#FFFFFF	#000000	##000000
##51A824	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9900

Deuteranopia (green-blind)

#A29233

Tritanopia (blue-blind)

#4BA28F

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #51a824;
/* rgb */ color: rgb(81, 168, 36);
/* oklch */ color: oklch(65.2% 0.183 137.5);

Tailwind

colors: {
  custom: {
    50: '#8bc26a',
    500: '#51a824',
    950: '#000000',
  },
}

SCSS

$custom: #51a824;
$custom-light: #8bc26a;
$custom-dark: #000000;

JSON

{
  "hex": "#51a824",
  "rgb": {
    "r": 81,
    "g": 168,
    "b": 36
  },
  "hsl": {
    "h": 99.545,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.6524,
    "c": 0.18297,
    "h": 137.5
  },
  "luminance": 0.29882
}

Semantic roles & 50–950 ramp

primary

#51A824

secondary

#A363C4

accent

#40E8AF

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1207

muted

#7E817A

Preview Lab

Preview with #51A824

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

Preview Lab → · Contrast checker → · Palette generator →