#51D681#51D681

#51D681 is a light, vivid green. Relative luminance 0.514; OKLCH L 78.2% C 0.168 H 152.2°. Best body text is #000000 at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#51D681
RGB	rgb(81, 214, 129)
HSL	hsl(142, 62%, 58%)
HSV	hsv(142, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 39.7%, 16.1%)
CIE-LAB	lab(76.94, -54.94, 31.50)
CIE-LCH	lch(76.94, 63.33, 150.17°)
OKLab	oklab(78.24% -0.1485 0.0783)
OKLCH	oklch(78.24% 0.168 152.2)
XYZ	xyz(31.3998, 51.4243, 29.0357)
Luminance	0.5143 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D681 #D651A6

analogous

#64D651 #51D681 #51D6C3

triadic

#51D681 #8151D6 #D68151

tetradic

#51D681 #5164D6 #D651A6 #D6C351

square

#51D681 #5164D6 #D651A6 #D6C351

split-complementary

#51D681 #C351D6 #D65164

monochromatic

#218C47 #2DBD61 #51D681 #83E2A5 #B4EDC9

Accessibility & contrast

On white

1.86

#51D681 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.29

#51D681 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D681

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D681	#FFFFFF	#000000	##000000
##51D681	1.00	1.86	11.29	11.29
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.29	21.00	1.00	1.00
##000000	11.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C57B

Deuteranopia (green-blind)

#C5B987

Tritanopia (blue-blind)

#1DD3C1

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d681;
/* rgb */ color: rgb(81, 214, 129);
/* oklch */ color: oklch(78.2% 0.168 152.2);

Tailwind

colors: {
  custom: {
    50: '#8fe4a6',
    500: '#51d681',
    950: '#000000',
  },
}

SCSS

$custom: #51d681;
$custom-light: #8fe4a6;
$custom-dark: #000000;

JSON

{
  "hex": "#51d681",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 129
  },
  "hsl": {
    "h": 141.654,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.78236,
    "c": 0.1679,
    "h": 152.2
  },
  "luminance": 0.51427
}

Semantic roles & 50–950 ramp

primary

#51D681

secondary

#923A72

accent

#43AAE5

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D681

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

Preview Lab → · Contrast checker → · Palette generator →