#51DC4E#51DC4E

#51DC4E is a light, highly saturated green. Relative luminance 0.535; OKLCH L 79.0% C 0.218 H 142.9°. Best body text is #000000 at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#51DC4E
RGB	rgb(81, 220, 78)
HSL	hsl(119, 67%, 58%)
HSV	hsv(119, 65%, 86%)
CMYK	cmyk(63.2%, 0%, 64.5%, 13.7%)
CIE-LAB	lab(78.16, -64.07, 56.96)
CIE-LCH	lch(78.16, 85.73, 138.36°)
OKLab	oklab(79.05% -0.1741 0.1319)
OKLCH	oklch(79.05% 0.218 142.9)
XYZ	xyz(30.3600, 53.4828, 15.9295)
Luminance	0.5349 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DC4E #D94EDC

analogous

#98DC4E #51DC4E #4EDC92

triadic

#51DC4E #4E51DC #DC4E51

tetradic

#51DC4E #4E98DC #D94EDC #DC924E

square

#51DC4E #4E98DC #D94EDC #DC924E

split-complementary

#51DC4E #924EDC #DC4E98

monochromatic

#1F931D #2AC627 #51DC4E #83E681 #B5F0B4

Accessibility & contrast

On white

1.80

#51DC4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.70

#51DC4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC4E

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DC4E	#FFFFFF	#000000	##000000
##51DC4E	1.00	1.80	11.70	11.70
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.70	21.00	1.00	1.00
##000000	11.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C83C

Deuteranopia (green-blind)

#D0BD5B

Tritanopia (blue-blind)

#34D6BF

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51dc4e;
/* rgb */ color: rgb(81, 220, 78);
/* oklch */ color: oklch(79.0% 0.218 142.9);

Tailwind

colors: {
  custom: {
    50: '#91e885',
    500: '#51dc4e',
    950: '#000000',
  },
}

SCSS

$custom: #51dc4e;
$custom-light: #91e885;
$custom-dark: #000000;

JSON

{
  "hex": "#51dc4e",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 78
  },
  "hsl": {
    "h": 118.732,
    "s": 66.981,
    "l": 58.431
  },
  "oklch": {
    "l": 0.79045,
    "c": 0.21846,
    "h": 142.9
  },
  "luminance": 0.53486
}

Semantic roles & 50–950 ramp

primary

#51DC4E

secondary

#953797

accent

#3EEAE6

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DC4E

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

Preview Lab → · Contrast checker → · Palette generator →