#51E799#51E799

#51E799 is a very light, vivid green. Relative luminance 0.612; OKLCH L 82.9% C 0.169 H 156.6°. Best body text is #000000 at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#51E799
RGB	rgb(81, 231, 153)
HSL	hsl(149, 76%, 61%)
HSV	hsv(149, 65%, 91%)
CMYK	cmyk(64.9%, 0%, 33.8%, 9.4%)
CIE-LAB	lab(82.48, -57.08, 26.61)
CIE-LCH	lch(82.48, 62.98, 155.00°)
OKLab	oklab(82.93% -0.1549 0.067)
OKLCH	oklch(82.93% 0.169 156.6)
XYZ	xyz(37.7156, 61.1970, 39.9554)
Luminance	0.6120 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E799 #E7519F

analogous

#54E751 #51E799 #51E7E4

triadic

#51E799 #9951E7 #E79951

tetradic

#51E799 #5154E7 #E7519F #E7E451

square

#51E799 #5154E7 #E7519F #E7E451

split-complementary

#51E799 #E451E7 #E75154

monochromatic

#17A75C #1EDC7A #51E799 #87EEB9 #BDF6D8

Accessibility & contrast

On white

1.59

#51E799 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.24

#51E799 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E799

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E799	#FFFFFF	#000000	##000000
##51E799	1.00	1.59	13.24	13.24
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.24	21.00	1.00	1.00
##000000	13.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D694

Deuteranopia (green-blind)

#D2C89E

Tritanopia (blue-blind)

#00E5D3

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e799;
/* rgb */ color: rgb(81, 231, 153);
/* oklch */ color: oklch(82.9% 0.169 156.6);

Tailwind

colors: {
  custom: {
    50: '#91f0b7',
    500: '#51e799',
    950: '#000000',
  },
}

SCSS

$custom: #51e799;
$custom-light: #91f0b7;
$custom-dark: #000000;

JSON

{
  "hex": "#51e799",
  "rgb": {
    "r": 81,
    "g": 231,
    "b": 153
  },
  "hsl": {
    "h": 148.8,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.82929,
    "c": 0.16878,
    "h": 156.6
  },
  "luminance": 0.61201
}

Semantic roles & 50–950 ramp

primary

#51E799

secondary

#A83470

accent

#0E77D8

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1711

muted

#7F8581

Preview Lab

Preview with #51E799

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

Preview Lab → · Contrast checker → · Palette generator →