#51DB59#51DB59

#51DB59 is a light, highly saturated green. Relative luminance 0.531; OKLCH L 78.9% C 0.209 H 144.2°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#51DB59
RGB	rgb(81, 219, 89)
HSL	hsl(123, 66%, 59%)
HSV	hsv(123, 63%, 86%)
CMYK	cmyk(63%, 0%, 59.4%, 14.1%)
CIE-LAB	lab(77.95, -62.55, 52.03)
CIE-LCH	lch(77.95, 81.36, 140.25°)
OKLab	oklab(78.91% -0.1695 0.1224)
OKLCH	oklch(78.91% 0.209 144.2)
XYZ	xyz(30.5262, 53.1306, 18.0958)
Luminance	0.5313 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB59 #DB51D3

analogous

#8EDB51 #51DB59 #51DB9E

triadic

#51DB59 #5951DB #DB5951

tetradic

#51DB59 #518EDB #DB51D3 #DB9E51

square

#51DB59 #518EDB #DB51D3 #DB9E51

split-complementary

#51DB59 #9E51DB #DB518E

monochromatic

#1E9325 #29C632 #51DB59 #84E589 #B6F0BA

Accessibility & contrast

On white

1.81

#51DB59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.63

#51DB59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB59

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB59	#FFFFFF	#000000	##000000
##51DB59	1.00	1.81	11.63	11.63
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.63	21.00	1.00	1.00
##000000	11.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC84B

Deuteranopia (green-blind)

#CEBC64

Tritanopia (blue-blind)

#31D5BF

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51db59;
/* rgb */ color: rgb(81, 219, 89);
/* oklch */ color: oklch(78.9% 0.209 144.2);

Tailwind

colors: {
  custom: {
    50: '#91e78c',
    500: '#51db59',
    950: '#000000',
  },
}

SCSS

$custom: #51db59;
$custom-light: #91e78c;
$custom-dark: #000000;

JSON

{
  "hex": "#51db59",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 89
  },
  "hsl": {
    "h": 123.478,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.78906,
    "c": 0.20911,
    "h": 144.2
  },
  "luminance": 0.53134
}

Semantic roles & 50–950 ramp

primary

#51DB59

secondary

#983892

accent

#3FDFE9

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DB59

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

Preview Lab → · Contrast checker → · Palette generator →