#51E879#51E879

#51E879 is a very light, vivid green. Relative luminance 0.608; OKLCH L 82.6% C 0.199 H 148.7°. Best body text is #000000 at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#51E879
RGB	rgb(81, 232, 121)
HSL	hsl(136, 77%, 61%)
HSV	hsv(136, 65%, 91%)
CMYK	cmyk(65.1%, 0%, 47.8%, 9%)
CIE-LAB	lab(82.29, -62.92, 42.37)
CIE-LCH	lch(82.29, 75.86, 146.05°)
OKLab	oklab(82.61% -0.1697 0.1031)
OKLCH	oklch(82.61% 0.199 148.7)
XYZ	xyz(35.6985, 60.8393, 27.9473)
Luminance	0.6084 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E879 #E851C0

analogous

#75E851 #51E879 #51E8C5

triadic

#51E879 #7951E8 #E87951

tetradic

#51E879 #5175E8 #E851C0 #E8C551

square

#51E879 #5175E8 #E851C0 #E8C551

split-complementary

#51E879 #C551E8 #E85175

monochromatic

#16A83D #1DDE51 #51E879 #87EFA3 #BDF6CC

Accessibility & contrast

On white

1.59

#51E879 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.17

#51E879 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E879

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E879	#FFFFFF	#000000	##000000
##51E879	1.00	1.59	13.17	13.17
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.17	21.00	1.00	1.00
##000000	13.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD570

Deuteranopia (green-blind)

#D7C881

Tritanopia (blue-blind)

#14E4CE

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e879;
/* rgb */ color: rgb(81, 232, 121);
/* oklch */ color: oklch(82.6% 0.199 148.7);

Tailwind

colors: {
  custom: {
    50: '#92f0a1',
    500: '#51e879',
    950: '#000000',
  },
}

SCSS

$custom: #51e879;
$custom-light: #92f0a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51e879",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 121
  },
  "hsl": {
    "h": 135.894,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.82609,
    "c": 0.19857,
    "h": 148.7
  },
  "luminance": 0.60843
}

Semantic roles & 50–950 ramp

primary

#51E879

secondary

#AA338B

accent

#0DA3D9

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E879

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

Preview Lab → · Contrast checker → · Palette generator →