#51E452#51E452

#51E452 is a light, highly saturated green. Relative luminance 0.578; OKLCH L 81.1% C 0.225 H 143.2°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#51E452
RGB	rgb(81, 228, 82)
HSL	hsl(120, 73%, 61%)
HSV	hsv(120, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 64%, 10.6%)
CIE-LAB	lab(80.65, -66.40, 58.06)
CIE-LCH	lch(80.65, 88.20, 138.83°)
OKLab	oklab(81.12% -0.1803 0.1346)
OKLCH	oklch(81.12% 0.225 143.2)
XYZ	xyz(32.6578, 57.8420, 17.4246)
Luminance	0.5785 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E452 #E451E3

analogous

#99E451 #51E452 #51E49B

triadic

#51E452 #5251E4 #E45251

tetradic

#51E452 #5199E4 #E451E3 #E49B51

square

#51E452 #5199E4 #E451E3 #E49B51

split-complementary

#51E452 #9B51E4 #E45199

monochromatic

#19A21A #21D723 #51E452 #86EC87 #BBF4BB

Accessibility & contrast

On white

1.67

#51E452 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.57

#51E452 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E452

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E452	#FFFFFF	#000000	##000000
##51E452	1.00	1.67	12.57	12.57
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.57	21.00	1.00	1.00
##000000	12.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D040

Deuteranopia (green-blind)

#D7C35F

Tritanopia (blue-blind)

#2FDEC6

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e452;
/* rgb */ color: rgb(81, 228, 82);
/* oklch */ color: oklch(81.1% 0.225 143.2);

Tailwind

colors: {
  custom: {
    50: '#93ee88',
    500: '#51e452',
    950: '#000000',
  },
}

SCSS

$custom: #51e452;
$custom-light: #93ee88;
$custom-dark: #000000;

JSON

{
  "hex": "#51e452",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 82
  },
  "hsl": {
    "h": 120.408,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81117,
    "c": 0.22499,
    "h": 143.2
  },
  "luminance": 0.57845
}

Semantic roles & 50–950 ramp

primary

#51E452

secondary

#A435A3

accent

#10D4D5

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51E452

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

Preview Lab → · Contrast checker → · Palette generator →