#51B929#51B929

#51B929 is a light, highly saturated green. Relative luminance 0.366; OKLCH L 69.7% C 0.200 H 138.9°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#51B929
RGB	rgb(81, 185, 41)
HSL	hsl(103, 64%, 44%)
HSV	hsv(103, 78%, 73%)
CMYK	cmyk(56.2%, 0%, 77.8%, 27.5%)
CIE-LAB	lab(66.98, -54.72, 59.13)
CIE-LCH	lch(66.98, 80.57, 132.78°)
OKLab	oklab(69.73% -0.1509 0.1318)
OKLCH	oklch(69.73% 0.2 138.9)
XYZ	xyz(21.1417, 36.6056, 8.0489)
Luminance	0.3661 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B929 #9129B9

analogous

#99B929 #51B929 #29B949

triadic

#51B929 #2951B9 #B92951

tetradic

#51B929 #2999B9 #9129B9 #B94929

square

#51B929 #2999B9 #9129B9 #B94929

split-complementary

#51B929 #4929B9 #B92999

monochromatic

#255513 #3B871E #51B929 #70D749 #97E27B

Accessibility & contrast

On white

2.52

#51B929 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#51B929 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B929

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B929	#FFFFFF	#000000	##000000
##51B929	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#B2A039

Tritanopia (blue-blind)

#46B39E

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51b929;
/* rgb */ color: rgb(81, 185, 41);
/* oklch */ color: oklch(69.7% 0.200 138.9);

Tailwind

colors: {
  custom: {
    50: '#8dcf6e',
    500: '#51b929',
    950: '#000000',
  },
}

SCSS

$custom: #51b929;
$custom-light: #8dcf6e;
$custom-dark: #000000;

JSON

{
  "hex": "#51b929",
  "rgb": {
    "r": 81,
    "g": 185,
    "b": 41
  },
  "hsl": {
    "h": 103.333,
    "s": 63.717,
    "l": 44.314
  },
  "oklch": {
    "l": 0.69726,
    "c": 0.20039,
    "h": 138.9
  },
  "luminance": 0.36607
}

Semantic roles & 50–950 ramp

primary

#51B929

secondary

#B274CA

accent

#41E7B9

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51B929

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

Preview Lab → · Contrast checker → · Palette generator →