#51F261#51F261

#51F261 is a very light, highly saturated green. Relative luminance 0.661; OKLCH L 84.8% C 0.230 H 144.7°. Best body text is #000000 at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#51F261
RGB	rgb(81, 242, 97)
HSL	hsl(126, 86%, 63%)
HSV	hsv(126, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 59.9%, 5.1%)
CIE-LAB	lab(85.05, -69.51, 56.69)
CIE-LCH	lch(85.05, 89.69, 140.80°)
OKLab	oklab(84.8% -0.188 0.1331)
OKLCH	oklch(84.8% 0.23 144.7)
XYZ	xyz(37.3007, 66.1127, 22.1022)
Luminance	0.6612 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F261 #F251E2

analogous

#91F251 #51F261 #51F2B1

triadic

#51F261 #6151F2 #F26151

tetradic

#51F261 #5191F2 #F251E2 #F2B151

square

#51F261 #5191F2 #F251E2 #F2B151

split-complementary

#51F261 #B151F2 #F25191

monochromatic

#0EBB1F #18EE2D #51F261 #8AF695 #C3FBC8

Accessibility & contrast

On white

1.48

#51F261 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.22

#51F261 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F261

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F261	#FFFFFF	#000000	##000000
##51F261	1.00	1.48	14.22	14.22
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.22	21.00	1.00	1.00
##000000	14.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DD51

Deuteranopia (green-blind)

#E3CF6D

Tritanopia (blue-blind)

#1FECD3

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #51f261;
/* rgb */ color: rgb(81, 242, 97);
/* oklch */ color: oklch(84.8% 0.230 144.7);

Tailwind

colors: {
  custom: {
    50: '#95f892',
    500: '#51f261',
    950: '#000000',
  },
}

SCSS

$custom: #51f261;
$custom-light: #95f892;
$custom-dark: #000000;

JSON

{
  "hex": "#51f261",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 97
  },
  "hsl": {
    "h": 125.963,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.84803,
    "c": 0.2304,
    "h": 144.7
  },
  "luminance": 0.66117
}

Semantic roles & 50–950 ramp

primary

#51F261

secondary

#B92EAB

accent

#03CCE3

background

#FCFFFC

surface

#F5FFF4

border

#CFD7CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #51F261

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

Preview Lab → · Contrast checker → · Palette generator →