#51A424#51A424

#51A424 is a light, vivid yellow-green. Relative luminance 0.284; OKLCH L 64.2% C 0.178 H 137.2°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#51A424
RGB	rgb(81, 164, 36)
HSL	hsl(99, 64%, 39%)
HSV	hsv(99, 78%, 64%)
CMYK	cmyk(50.6%, 0%, 78%, 35.7%)
CIE-LAB	lab(60.27, -47.12, 54.31)
CIE-LCH	lch(60.27, 71.90, 130.94°)
OKLab	oklab(64.19% -0.1308 0.121)
OKLCH	oklch(64.19% 0.178 137.2)
XYZ	xyz(16.9867, 28.4264, 6.2605)
Luminance	0.2843 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A424 #7724A4

analogous

#91A424 #51A424 #24A437

triadic

#51A424 #2451A4 #A42451

tetradic

#51A424 #2491A4 #7724A4 #A43724

square

#51A424 #2491A4 #7724A4 #A43724

split-complementary

#51A424 #3724A4 #A42491

monochromatic

#1F400E #387219 #51A424 #6BD233 #8FDD65

Accessibility & contrast

On white

3.14

#51A424 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#51A424 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A424

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A424	#FFFFFF	#000000	##000000
##51A424	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9601

Deuteranopia (green-blind)

#9F8F32

Tritanopia (blue-blind)

#4C9E8C

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #51a424;
/* rgb */ color: rgb(81, 164, 36);
/* oklch */ color: oklch(64.2% 0.178 137.2);

Tailwind

colors: {
  custom: {
    50: '#8ac069',
    500: '#51a424',
    950: '#000000',
  },
}

SCSS

$custom: #51a424;
$custom-light: #8ac069;
$custom-dark: #000000;

JSON

{
  "hex": "#51a424",
  "rgb": {
    "r": 81,
    "g": 164,
    "b": 36
  },
  "hsl": {
    "h": 98.906,
    "s": 64,
    "l": 39.216
  },
  "oklch": {
    "l": 0.64187,
    "c": 0.17818,
    "h": 137.2
  },
  "luminance": 0.28428
}

Semantic roles & 50–950 ramp

primary

#51A424

secondary

#A061C3

accent

#41E7AD

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1207

muted

#7D817A

Preview Lab

Preview with #51A424

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

Preview Lab → · Contrast checker → · Palette generator →