#51CC4E#51CC4E

#51CC4E is a light, vivid green. Relative luminance 0.455; OKLCH L 75.0% C 0.199 H 142.9°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#51CC4E
RGB	rgb(81, 204, 78)
HSL	hsl(119, 55%, 55%)
HSV	hsv(119, 62%, 80%)
CMYK	cmyk(60.3%, 0%, 61.8%, 20%)
CIE-LAB	lab(73.21, -58.45, 51.45)
CIE-LCH	lch(73.21, 77.87, 138.65°)
OKLab	oklab(74.96% -0.1589 0.1202)
OKLCH	oklch(74.96% 0.199 142.9)
XYZ	xyz(26.3599, 45.4826, 14.5962)
Luminance	0.4548 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CC4E #C94ECC

analogous

#90CC4E #51CC4E #4ECC8A

triadic

#51CC4E #4E51CC #CC4E51

tetradic

#51CC4E #4E90CC #C94ECC #CC8A4E

square

#51CC4E #4E90CC #C94ECC #CC8A4E

split-complementary

#51CC4E #8A4ECC #CC4E90

monochromatic

#267C24 #34AB31 #51CC4E #80DA7E #AEE7AD

Accessibility & contrast

On white

2.08

#51CC4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#51CC4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC4E

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CC4E	#FFFFFF	#000000	##000000
##51CC4E	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BA40

Deuteranopia (green-blind)

#C1B059

Tritanopia (blue-blind)

#3BC6B1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cc4e;
/* rgb */ color: rgb(81, 204, 78);
/* oklch */ color: oklch(75.0% 0.199 142.9);

Tailwind

colors: {
  custom: {
    50: '#8fdc84',
    500: '#51cc4e',
    950: '#000000',
  },
}

SCSS

$custom: #51cc4e;
$custom-light: #8fdc84;
$custom-dark: #000000;

JSON

{
  "hex": "#51cc4e",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 78
  },
  "hsl": {
    "h": 118.571,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74955,
    "c": 0.19926,
    "h": 142.9
  },
  "luminance": 0.45485
}

Semantic roles & 50–950 ramp

primary

#51CC4E

secondary

#D4A1D5

accent

#49DFDB

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51CC4E

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

Preview Lab → · Contrast checker → · Palette generator →