#51DE79#51DE79

#51DE79 is a light, vivid green. Relative luminance 0.554; OKLCH L 80.1% C 0.186 H 149.5°. Best body text is #000000 at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#51DE79
RGB	rgb(81, 222, 121)
HSL	hsl(137, 68%, 59%)
HSV	hsv(137, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 45.5%, 12.9%)
CIE-LAB	lab(79.25, -59.28, 38.52)
CIE-LCH	lch(79.25, 70.70, 146.98°)
OKLab	oklab(80.1% -0.16 0.0944)
OKLCH	oklch(80.1% 0.186 149.5)
XYZ	xyz(32.9633, 55.3690, 27.0356)
Luminance	0.5537 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE79 #DE51B6

analogous

#70DE51 #51DE79 #51DEBF

triadic

#51DE79 #7951DE #DE7951

tetradic

#51DE79 #5170DE #DE51B6 #DEBF51

square

#51DE79 #5170DE #DE51B6 #DEBF51

split-complementary

#51DE79 #BF51DE #DE5170

monochromatic

#1D9840 #27CB55 #51DE79 #84E8A1 #B8F2C8

Accessibility & contrast

On white

1.74

#51DE79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.07

#51DE79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE79

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE79	#FFFFFF	#000000	##000000
##51DE79	1.00	1.74	12.07	12.07
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.07	21.00	1.00	1.00
##000000	12.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CC71

Deuteranopia (green-blind)

#CEBF80

Tritanopia (blue-blind)

#1EDAC6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51de79;
/* rgb */ color: rgb(81, 222, 121);
/* oklch */ color: oklch(80.1% 0.186 149.5);

Tailwind

colors: {
  custom: {
    50: '#90e9a1',
    500: '#51de79',
    950: '#000000',
  },
}

SCSS

$custom: #51de79;
$custom-light: #90e9a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51de79",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 121
  },
  "hsl": {
    "h": 137.021,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80104,
    "c": 0.18573,
    "h": 149.5
  },
  "luminance": 0.55372
}

Semantic roles & 50–950 ramp

primary

#51DE79

secondary

#9C377F

accent

#3DBAEB

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DE79

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

Preview Lab → · Contrast checker → · Palette generator →