#51DE59#51DE59

#51DE59 is a light, highly saturated green. Relative luminance 0.547; OKLCH L 79.7% C 0.213 H 144.1°. Best body text is #000000 at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#51DE59
RGB	rgb(81, 222, 89)
HSL	hsl(123, 68%, 59%)
HSV	hsv(123, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 59.9%, 12.9%)
CIE-LAB	lab(78.87, -63.60, 53.08)
CIE-LCH	lch(78.87, 82.84, 140.15°)
OKLab	oklab(79.67% -0.1724 0.1247)
OKLCH	oklch(79.67% 0.213 144.1)
XYZ	xyz(31.3159, 54.7100, 18.3590)
Luminance	0.5471 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE59 #DE51D6

analogous

#90DE51 #51DE59 #51DE9F

triadic

#51DE59 #5951DE #DE5951

tetradic

#51DE59 #5190DE #DE51D6 #DE9F51

square

#51DE59 #5190DE #DE51D6 #DE9F51

split-complementary

#51DE59 #9F51DE #DE5190

monochromatic

#1D9824 #27CB30 #51DE59 #84E88A #B8F2BB

Accessibility & contrast

On white

1.76

#51DE59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.94

#51DE59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE59

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE59	#FFFFFF	#000000	##000000
##51DE59	1.00	1.76	11.94	11.94
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.94	21.00	1.00	1.00
##000000	11.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CA4B

Deuteranopia (green-blind)

#D1BF64

Tritanopia (blue-blind)

#30D8C1

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51de59;
/* rgb */ color: rgb(81, 222, 89);
/* oklch */ color: oklch(79.7% 0.213 144.1);

Tailwind

colors: {
  custom: {
    50: '#91e98c',
    500: '#51de59',
    950: '#000000',
  },
}

SCSS

$custom: #51de59;
$custom-light: #91e98c;
$custom-dark: #000000;

JSON

{
  "hex": "#51de59",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 89
  },
  "hsl": {
    "h": 123.404,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.79668,
    "c": 0.21275,
    "h": 144.1
  },
  "luminance": 0.54713
}

Semantic roles & 50–950 ramp

primary

#51DE59

secondary

#9C3796

accent

#3DE1EB

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DE59

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

Preview Lab → · Contrast checker → · Palette generator →