#51E453#51E453

#51E453 is a light, highly saturated green. Relative luminance 0.579; OKLCH L 81.1% C 0.224 H 143.4°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#51E453
RGB	rgb(81, 228, 83)
HSL	hsl(121, 73%, 61%)
HSV	hsv(121, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 63.6%, 10.6%)
CIE-LAB	lab(80.66, -66.30, 57.65)
CIE-LCH	lch(80.66, 87.86, 138.99°)
OKLab	oklab(81.13% -0.1799 0.1339)
OKLCH	oklch(81.13% 0.224 143.4)
XYZ	xyz(32.6961, 57.8573, 17.6264)
Luminance	0.5786 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E453 #E451E2

analogous

#99E451 #51E453 #51E49C

triadic

#51E453 #5351E4 #E45351

tetradic

#51E453 #5199E4 #E451E2 #E49C51

square

#51E453 #5199E4 #E451E2 #E49C51

split-complementary

#51E453 #9C51E4 #E45199

monochromatic

#19A21B #21D724 #51E453 #86EC87 #BBF4BC

Accessibility & contrast

On white

1.67

#51E453 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.57

#51E453 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E453

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E453	#FFFFFF	#000000	##000000
##51E453	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)

#E9D041

Deuteranopia (green-blind)

#D7C460

Tritanopia (blue-blind)

#2FDEC6

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e453;
/* rgb */ color: rgb(81, 228, 83);
/* oklch */ color: oklch(81.1% 0.224 143.4);

Tailwind

colors: {
  custom: {
    50: '#93ee89',
    500: '#51e453',
    950: '#000000',
  },
}

SCSS

$custom: #51e453;
$custom-light: #93ee89;
$custom-dark: #000000;

JSON

{
  "hex": "#51e453",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 83
  },
  "hsl": {
    "h": 120.816,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81126,
    "c": 0.22429,
    "h": 143.4
  },
  "luminance": 0.57861
}

Semantic roles & 50–950 ramp

primary

#51E453

secondary

#A435A3

accent

#10D3D5

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51E453

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

Preview Lab → · Contrast checker → · Palette generator →