#51DA59#51DA59

#51DA59 is a light, highly saturated green. Relative luminance 0.526; OKLCH L 78.7% C 0.208 H 144.2°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#51DA59
RGB	rgb(81, 218, 89)
HSL	hsl(124, 65%, 59%)
HSV	hsv(124, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 59.2%, 14.5%)
CIE-LAB	lab(77.64, -62.20, 51.67)
CIE-LCH	lch(77.64, 80.87, 140.28°)
OKLab	oklab(78.65% -0.1686 0.1217)
OKLCH	oklch(78.65% 0.208 144.2)
XYZ	xyz(30.2661, 52.6104, 18.0091)
Luminance	0.5261 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA59 #DA51D2

analogous

#8DDA51 #51DA59 #51DA9D

triadic

#51DA59 #5951DA #DA5951

tetradic

#51DA59 #518DDA #DA51D2 #DA9D51

square

#51DA59 #518DDA #DA51D2 #DA9D51

split-complementary

#51DA59 #9D51DA #DA518D

monochromatic

#1F9226 #2AC433 #51DA59 #83E589 #B6EFB9

Accessibility & contrast

On white

1.82

#51DA59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#51DA59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA59

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA59	#FFFFFF	#000000	##000000
##51DA59	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC74B

Deuteranopia (green-blind)

#CDBB63

Tritanopia (blue-blind)

#32D4BE

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51da59;
/* rgb */ color: rgb(81, 218, 89);
/* oklch */ color: oklch(78.7% 0.208 144.2);

Tailwind

colors: {
  custom: {
    50: '#91e78c',
    500: '#51da59',
    950: '#000000',
  },
}

SCSS

$custom: #51da59;
$custom-light: #91e78c;
$custom-dark: #000000;

JSON

{
  "hex": "#51da59",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 89
  },
  "hsl": {
    "h": 123.504,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.78652,
    "c": 0.2079,
    "h": 144.2
  },
  "luminance": 0.52613
}

Semantic roles & 50–950 ramp

primary

#51DA59

secondary

#973991

accent

#40DEE8

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DA59

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

Preview Lab → · Contrast checker → · Palette generator →