#51E04B#51E04B

#51E04B is a light, highly saturated green. Relative luminance 0.556; OKLCH L 80.0% C 0.225 H 142.6°. Best body text is #000000 at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#51E04B
RGB	rgb(81, 224, 75)
HSL	hsl(118, 71%, 59%)
HSV	hsv(118, 67%, 88%)
CMYK	cmyk(63.8%, 0%, 66.5%, 12.2%)
CIE-LAB	lab(79.37, -65.72, 59.48)
CIE-LCH	lch(79.37, 88.64, 137.85°)
OKLab	oklab(80.04% -0.1788 0.1369)
OKLCH	oklch(80.04% 0.225 142.6)
XYZ	xyz(31.3172, 55.5655, 15.7301)
Luminance	0.5557 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E04B #DA4BE0

analogous

#9BE04B #51E04B #4BE08F

triadic

#51E04B #4B51E0 #E04B51

tetradic

#51E04B #4B9BE0 #DA4BE0 #E08F4B

square

#51E04B #4B9BE0 #DA4BE0 #E08F4B

split-complementary

#51E04B #8F4BE0 #E04B9B

monochromatic

#1F971A #2ACB23 #51E04B #83E97F #B6F2B3

Accessibility & contrast

On white

1.73

#51E04B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.11

#51E04B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E04B

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E04B	#FFFFFF	#000000	##000000
##51E04B	1.00	1.73	12.11	12.11
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.11	21.00	1.00	1.00
##000000	12.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC37

Deuteranopia (green-blind)

#D4C059

Tritanopia (blue-blind)

#33DAC2

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51e04b;
/* rgb */ color: rgb(81, 224, 75);
/* oklch */ color: oklch(80.0% 0.225 142.6);

Tailwind

colors: {
  custom: {
    50: '#92eb84',
    500: '#51e04b',
    950: '#000000',
  },
}

SCSS

$custom: #51e04b;
$custom-light: #92eb84;
$custom-dark: #000000;

JSON

{
  "hex": "#51e04b",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 75
  },
  "hsl": {
    "h": 117.584,
    "s": 70.616,
    "l": 58.627
  },
  "oklch": {
    "l": 0.80035,
    "c": 0.22516,
    "h": 142.6
  },
  "luminance": 0.55569
}

Semantic roles & 50–950 ramp

primary

#51E04B

secondary

#97349B

accent

#3AEDE6

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160B

muted

#7F857E

Preview Lab

Preview with #51E04B

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

Preview Lab → · Contrast checker → · Palette generator →