#51E651#51E651

#51E651 is a light, highly saturated green. Relative luminance 0.589; OKLCH L 81.6% C 0.228 H 143.1°. Best body text is #000000 at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#51E651
RGB	rgb(81, 230, 81)
HSL	hsl(120, 75%, 61%)
HSV	hsv(120, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 64.8%, 9.8%)
CIE-LAB	lab(81.26, -67.17, 59.13)
CIE-LCH	lch(81.26, 89.48, 138.64°)
OKLab	oklab(81.61% -0.1824 0.1368)
OKLCH	oklch(81.61% 0.228 143.1)
XYZ	xyz(33.1734, 58.9337, 17.4101)
Luminance	0.5894 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E651 #E651E6

analogous

#9BE651 #51E651 #51E69B

triadic

#51E651 #5151E6 #E65151

tetradic

#51E651 #519BE6 #E651E6 #E69B51

square

#51E651 #519BE6 #E651E6 #E69B51

split-complementary

#51E651 #9B51E6 #E6519B

monochromatic

#18A518 #1FDA1F #51E651 #87EE87 #BCF5BC

Accessibility & contrast

On white

1.64

#51E651 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.79

#51E651 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E651

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E651	#FFFFFF	#000000	##000000
##51E651	1.00	1.64	12.79	12.79
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.79	21.00	1.00	1.00
##000000	12.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD13E

Deuteranopia (green-blind)

#D9C55E

Tritanopia (blue-blind)

#2EE0C7

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e651;
/* rgb */ color: rgb(81, 230, 81);
/* oklch */ color: oklch(81.6% 0.228 143.1);

Tailwind

colors: {
  custom: {
    50: '#93ef88',
    500: '#51e651',
    950: '#000000',
  },
}

SCSS

$custom: #51e651;
$custom-light: #93ef88;
$custom-dark: #000000;

JSON

{
  "hex": "#51e651",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 81
  },
  "hsl": {
    "h": 120,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.81614,
    "c": 0.228,
    "h": 143.1
  },
  "luminance": 0.58937
}

Semantic roles & 50–950 ramp

primary

#51E651

secondary

#A734A7

accent

#0ED7D7

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0F170C

muted

#80857F

Preview Lab

Preview with #51E651

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

Preview Lab → · Contrast checker → · Palette generator →