#51E671#51E671

#51E671 is a light, highly saturated green. Relative luminance 0.595; OKLCH L 82.0% C 0.203 H 147.4°. Best body text is #000000 at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#51E671
RGB	rgb(81, 230, 113)
HSL	hsl(133, 75%, 61%)
HSV	hsv(133, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 50.9%, 9.8%)
CIE-LAB	lab(81.58, -63.37, 45.32)
CIE-LCH	lch(81.58, 77.91, 144.43°)
OKLab	oklab(81.99% -0.171 0.1094)
OKLCH	oklch(81.99% 0.203 147.4)
XYZ	xyz(34.6683, 59.5316, 25.2833)
Luminance	0.5954 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E671 #E651C6

analogous

#7BE651 #51E671 #51E6BB

triadic

#51E671 #7151E6 #E67151

tetradic

#51E671 #517BE6 #E651C6 #E6BB51

square

#51E671 #517BE6 #E651C6 #E6BB51

split-complementary

#51E671 #BB51E6 #E6517B

monochromatic

#18A536 #1FDA48 #51E671 #87EE9D #BCF5C8

Accessibility & contrast

On white

1.63

#51E671 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.91

#51E671 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E671

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E671	#FFFFFF	#000000	##000000
##51E671	1.00	1.63	12.91	12.91
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.91	21.00	1.00	1.00
##000000	12.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D367

Deuteranopia (green-blind)

#D6C67A

Tritanopia (blue-blind)

#1EE1CB

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e671;
/* rgb */ color: rgb(81, 230, 113);
/* oklch */ color: oklch(82.0% 0.203 147.4);

Tailwind

colors: {
  custom: {
    50: '#92ef9c',
    500: '#51e671',
    950: '#000000',
  },
}

SCSS

$custom: #51e671;
$custom-light: #92ef9c;
$custom-dark: #000000;

JSON

{
  "hex": "#51e671",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 113
  },
  "hsl": {
    "h": 132.886,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.81991,
    "c": 0.20298,
    "h": 147.4
  },
  "luminance": 0.59535
}

Semantic roles & 50–950 ramp

primary

#51E671

secondary

#A7348E

accent

#0EACD7

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E170E

muted

#7F857F

Preview Lab

Preview with #51E671

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

Preview Lab → · Contrast checker → · Palette generator →