#51A524#51A524

#51A524 is a light, vivid yellow-green. Relative luminance 0.288; OKLCH L 64.5% C 0.179 H 137.3°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#51A524
RGB	rgb(81, 165, 36)
HSL	hsl(99, 64%, 39%)
HSV	hsv(99, 78%, 65%)
CMYK	cmyk(50.9%, 0%, 78.2%, 35.3%)
CIE-LAB	lab(60.59, -47.51, 54.62)
CIE-LCH	lch(60.59, 72.39, 131.02°)
OKLab	oklab(64.45% -0.1318 0.1217)
OKLCH	oklch(64.45% 0.179 137.3)
XYZ	xyz(17.1664, 28.7857, 6.3204)
Luminance	0.2879 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A524 #7824A5

analogous

#92A524 #51A524 #24A538

triadic

#51A524 #2451A5 #A52451

tetradic

#51A524 #2492A5 #7824A5 #A53824

square

#51A524 #2492A5 #7824A5 #A53824

split-complementary

#51A524 #3824A5 #A52492

monochromatic

#20410E #387319 #51A524 #6BD334 #90DE66

Accessibility & contrast

On white

3.11

#51A524 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#51A524 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A524

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A524	#FFFFFF	#000000	##000000
##51A524	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9600

Deuteranopia (green-blind)

#A09032

Tritanopia (blue-blind)

#4B9F8D

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #51a524;
/* rgb */ color: rgb(81, 165, 36);
/* oklch */ color: oklch(64.5% 0.179 137.3);

Tailwind

colors: {
  custom: {
    50: '#8ac069',
    500: '#51a524',
    950: '#000000',
  },
}

SCSS

$custom: #51a524;
$custom-light: #8ac069;
$custom-dark: #000000;

JSON

{
  "hex": "#51a524",
  "rgb": {
    "r": 81,
    "g": 165,
    "b": 36
  },
  "hsl": {
    "h": 99.07,
    "s": 64.179,
    "l": 39.412
  },
  "oklch": {
    "l": 0.64451,
    "c": 0.17938,
    "h": 137.3
  },
  "luminance": 0.28787
}

Semantic roles & 50–950 ramp

primary

#51A524

secondary

#A162C3

accent

#41E7AD

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1207

muted

#7D817A

Preview Lab

Preview with #51A524

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

Preview Lab → · Contrast checker → · Palette generator →