#51DA4F#51DA4F

#51DA4F is a light, highly saturated green. Relative luminance 0.525; OKLCH L 78.5% C 0.215 H 143.0°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#51DA4F
RGB	rgb(81, 218, 79)
HSL	hsl(119, 65%, 58%)
HSV	hsv(119, 64%, 85%)
CMYK	cmyk(62.8%, 0%, 63.8%, 14.5%)
CIE-LAB	lab(77.55, -63.28, 55.87)
CIE-LCH	lch(77.55, 84.42, 138.56°)
OKLab	oklab(78.55% -0.172 0.1297)
OKLCH	oklch(78.55% 0.215 143)
XYZ	xyz(29.8743, 52.4537, 15.9458)
Luminance	0.5246 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA4F #D84FDA

analogous

#96DA4F #51DA4F #4FDA92

triadic

#51DA4F #4F51DA #DA4F51

tetradic

#51DA4F #4F96DA #D84FDA #DA924F

square

#51DA4F #4F96DA #D84FDA #DA924F

split-complementary

#51DA4F #924FDA #DA4F96

monochromatic

#20901E #2BC329 #51DA4F #83E582 #B5EFB4

Accessibility & contrast

On white

1.83

#51DA4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.49

#51DA4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA4F

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA4F	#FFFFFF	#000000	##000000
##51DA4F	1.00	1.83	11.49	11.49
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.49	21.00	1.00	1.00
##000000	11.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC73E

Deuteranopia (green-blind)

#CEBB5B

Tritanopia (blue-blind)

#35D4BD

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51da4f;
/* rgb */ color: rgb(81, 218, 79);
/* oklch */ color: oklch(78.5% 0.215 143.0);

Tailwind

colors: {
  custom: {
    50: '#91e786',
    500: '#51da4f',
    950: '#000000',
  },
}

SCSS

$custom: #51da4f;
$custom-light: #91e786;
$custom-dark: #000000;

JSON

{
  "hex": "#51da4f",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 79
  },
  "hsl": {
    "h": 119.137,
    "s": 65.258,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78545,
    "c": 0.2154,
    "h": 143
  },
  "luminance": 0.52457
}

Semantic roles & 50–950 ramp

primary

#51DA4F

secondary

#943895

accent

#40E8E6

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DA4F

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

Preview Lab → · Contrast checker → · Palette generator →