#51E155#51E155

#51E155 is a light, highly saturated green. Relative luminance 0.563; OKLCH L 80.4% C 0.219 H 143.6°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#51E155
RGB	rgb(81, 225, 85)
HSL	hsl(122, 71%, 60%)
HSV	hsv(122, 64%, 88%)
CMYK	cmyk(64%, 0%, 62.2%, 11.8%)
CIE-LAB	lab(79.76, -65.07, 55.81)
CIE-LCH	lch(79.76, 85.73, 139.38°)
OKLab	oklab(80.39% -0.1765 0.1301)
OKLCH	oklch(80.39% 0.219 143.6)
XYZ	xyz(31.9563, 56.2524, 17.7663)
Luminance	0.5626 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E155 #E151DD

analogous

#95E151 #51E155 #51E19D

triadic

#51E155 #5551E1 #E15551

tetradic

#51E155 #5195E1 #E151DD #E19D51

square

#51E155 #5195E1 #E151DD #E19D51

split-complementary

#51E155 #9D51E1 #E15195

monochromatic

#1B9D1F #24D129 #51E155 #85EA88 #B9F3BB

Accessibility & contrast

On white

1.71

#51E155 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#51E155 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E155

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E155	#FFFFFF	#000000	##000000
##51E155	1.00	1.71	12.25	12.25
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.25	21.00	1.00	1.00
##000000	12.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD45

Deuteranopia (green-blind)

#D4C161

Tritanopia (blue-blind)

#30DBC3

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e155;
/* rgb */ color: rgb(81, 225, 85);
/* oklch */ color: oklch(80.4% 0.219 143.6);

Tailwind

colors: {
  custom: {
    50: '#92ec8a',
    500: '#51e155',
    950: '#000000',
  },
}

SCSS

$custom: #51e155;
$custom-light: #92ec8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51e155",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 85
  },
  "hsl": {
    "h": 121.667,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.80386,
    "c": 0.21932,
    "h": 143.6
  },
  "luminance": 0.56256
}

Semantic roles & 50–950 ramp

primary

#51E155

secondary

#A0369D

accent

#3AE8ED

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51E155

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

Preview Lab → · Contrast checker → · Palette generator →