#51A324#51A324

#51A324 is a light, vivid yellow-green. Relative luminance 0.281; OKLCH L 63.9% C 0.177 H 137.1°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#51A324
RGB	rgb(81, 163, 36)
HSL	hsl(99, 64%, 39%)
HSV	hsv(99, 78%, 64%)
CMYK	cmyk(50.3%, 0%, 77.9%, 36.1%)
CIE-LAB	lab(59.95, -46.73, 54.00)
CIE-LCH	lch(59.95, 71.41, 130.87°)
OKLab	oklab(63.92% -0.1297 0.1204)
OKLCH	oklch(63.92% 0.177 137.1)
XYZ	xyz(16.8084, 28.0699, 6.2010)
Luminance	0.2807 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A324 #7624A3

analogous

#91A324 #51A324 #24A337

triadic

#51A324 #2451A3 #A32451

tetradic

#51A324 #2491A3 #7624A3 #A33724

square

#51A324 #2491A3 #7624A3 #A33724

split-complementary

#51A324 #3724A3 #A32491

monochromatic

#1F3F0E #387119 #51A324 #6BD232 #8FDD65

Accessibility & contrast

On white

3.17

#51A324 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#51A324 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A324

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A324	#FFFFFF	#000000	##000000
##51A324	1.00	3.17	6.61	6.61
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99502

Deuteranopia (green-blind)

#9E8E32

Tritanopia (blue-blind)

#4C9D8B

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #51a324;
/* rgb */ color: rgb(81, 163, 36);
/* oklch */ color: oklch(63.9% 0.177 137.1);

Tailwind

colors: {
  custom: {
    50: '#8abf69',
    500: '#51a324',
    950: '#000000',
  },
}

SCSS

$custom: #51a324;
$custom-light: #8abf69;
$custom-dark: #000000;

JSON

{
  "hex": "#51a324",
  "rgb": {
    "r": 81,
    "g": 163,
    "b": 36
  },
  "hsl": {
    "h": 98.74,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.63924,
    "c": 0.17696,
    "h": 137.1
  },
  "luminance": 0.28071
}

Semantic roles & 50–950 ramp

primary

#51A324

secondary

#A060C2

accent

#41E7AC

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1207

muted

#7D817A

Preview Lab

Preview with #51A324

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

Preview Lab → · Contrast checker → · Palette generator →