#51D66D#51D66D

#51D66D is a light, vivid green. Relative luminance 0.509; OKLCH L 77.9% C 0.186 H 147.6°. Best body text is #000000 at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#51D66D
RGB	rgb(81, 214, 109)
HSL	hsl(133, 62%, 58%)
HSV	hsv(133, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 49.1%, 16.1%)
CIE-LAB	lab(76.64, -58.15, 41.13)
CIE-LCH	lch(76.64, 71.23, 144.73°)
OKLab	oklab(77.9% -0.1571 0.0998)
OKLCH	oklch(77.9% 0.186 147.6)
XYZ	xyz(30.1981, 50.9436, 22.7067)
Luminance	0.5095 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D66D #D651BA

analogous

#77D651 #51D66D #51D6B0

triadic

#51D66D #6D51D6 #D66D51

tetradic

#51D66D #5177D6 #D651BA #D6B051

square

#51D66D #5177D6 #D651BA #D6B051

split-complementary

#51D66D #B051D6 #D65177

monochromatic

#218C37 #2DBD4B #51D66D #83E297 #B4EDC0

Accessibility & contrast

On white

1.88

#51D66D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.19

#51D66D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D66D

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D66D	#FFFFFF	#000000	##000000
##51D66D	1.00	1.88	11.19	11.19
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.19	21.00	1.00	1.00
##000000	11.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C464

Deuteranopia (green-blind)

#C7B974

Tritanopia (blue-blind)

#2BD2BD

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d66d;
/* rgb */ color: rgb(81, 214, 109);
/* oklch */ color: oklch(77.9% 0.186 147.6);

Tailwind

colors: {
  custom: {
    50: '#8fe499',
    500: '#51d66d',
    950: '#000000',
  },
}

SCSS

$custom: #51d66d;
$custom-light: #8fe499;
$custom-dark: #000000;

JSON

{
  "hex": "#51d66d",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 109
  },
  "hsl": {
    "h": 132.632,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.77902,
    "c": 0.18607,
    "h": 147.6
  },
  "luminance": 0.50947
}

Semantic roles & 50–950 ramp

primary

#51D66D

secondary

#923A7F

accent

#43C3E5

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160E

muted

#7F847F

Preview Lab

Preview with #51D66D

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

Preview Lab → · Contrast checker → · Palette generator →