#51D56F#51D56F

#51D56F is a light, vivid green. Relative luminance 0.505; OKLCH L 77.7% C 0.183 H 148.0°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#51D56F
RGB	rgb(81, 213, 111)
HSL	hsl(134, 61%, 58%)
HSV	hsv(134, 62%, 84%)
CMYK	cmyk(62%, 0%, 47.9%, 16.5%)
CIE-LAB	lab(76.36, -57.48, 39.80)
CIE-LCH	lch(76.36, 69.92, 145.30°)
OKLab	oklab(77.68% -0.1552 0.0969)
OKLCH	oklch(77.68% 0.183 148)
XYZ	xyz(30.0547, 50.4825, 23.1961)
Luminance	0.5049 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D56F #D551B7

analogous

#75D551 #51D56F #51D5B1

triadic

#51D56F #6F51D5 #D56F51

tetradic

#51D56F #5175D5 #D551B7 #D5B151

square

#51D56F #5175D5 #D551B7 #D5B151

split-complementary

#51D56F #B151D5 #D55175

monochromatic

#218A39 #2DBC4E #51D56F #82E198 #B4EDC1

Accessibility & contrast

On white

1.89

#51D56F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#51D56F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D56F

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D56F	#FFFFFF	#000000	##000000
##51D56F	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C367

Deuteranopia (green-blind)

#C6B876

Tritanopia (blue-blind)

#2BD1BD

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d56f;
/* rgb */ color: rgb(81, 213, 111);
/* oklch */ color: oklch(77.7% 0.183 148.0);

Tailwind

colors: {
  custom: {
    50: '#8fe39a',
    500: '#51d56f',
    950: '#000000',
  },
}

SCSS

$custom: #51d56f;
$custom-light: #8fe39a;
$custom-dark: #000000;

JSON

{
  "hex": "#51d56f",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 111
  },
  "hsl": {
    "h": 133.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77679,
    "c": 0.18298,
    "h": 148
  },
  "luminance": 0.50486
}

Semantic roles & 50–950 ramp

primary

#51D56F

secondary

#903A7D

accent

#44C0E4

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E150E

muted

#7F847F

Preview Lab

Preview with #51D56F

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

Preview Lab → · Contrast checker → · Palette generator →