#51F287#51F287

#51F287 is a very light, vivid green. Relative luminance 0.670; OKLCH L 85.3% C 0.199 H 150.7°. Best body text is #000000 at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#51F287
RGB	rgb(81, 242, 135)
HSL	hsl(140, 86%, 63%)
HSV	hsv(140, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 44.2%, 5.1%)
CIE-LAB	lab(85.50, -64.34, 39.63)
CIE-LCH	lch(85.50, 75.56, 148.37°)
OKLab	oklab(85.32% -0.1734 0.0974)
OKLCH	oklch(85.32% 0.199 150.7)
XYZ	xyz(39.5155, 66.9986, 33.7665)
Luminance	0.6700 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F287 #F251BC

analogous

#6BF251 #51F287 #51F2D7

triadic

#51F287 #8751F2 #F28751

tetradic

#51F287 #516BF2 #F251BC #F2D751

square

#51F287 #516BF2 #F251BC #F2D751

split-complementary

#51F287 #D751F2 #F2516B

monochromatic

#0EBB48 #18EE60 #51F287 #8AF6AE #C3FBD6

Accessibility & contrast

On white

1.46

#51F287 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.40

#51F287 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F287

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F287	#FFFFFF	#000000	##000000
##51F287	1.00	1.46	14.40	14.40
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.40	21.00	1.00	1.00
##000000	14.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DE7F

Deuteranopia (green-blind)

#DFD08E

Tritanopia (blue-blind)

#00EED8

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #51f287;
/* rgb */ color: rgb(81, 242, 135);
/* oklch */ color: oklch(85.3% 0.199 150.7);

Tailwind

colors: {
  custom: {
    50: '#93f7ab',
    500: '#51f287',
    950: '#000000',
  },
}

SCSS

$custom: #51f287;
$custom-light: #93f7ab;
$custom-dark: #000000;

JSON

{
  "hex": "#51f287",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 135
  },
  "hsl": {
    "h": 140.124,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.8532,
    "c": 0.19891,
    "h": 150.7
  },
  "luminance": 0.67003
}

Semantic roles & 50–950 ramp

primary

#51F287

secondary

#B92E8B

accent

#0398E3

background

#FCFFFD

surface

#F5FFF7

border

#CFD7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #51F287

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

Preview Lab → · Contrast checker → · Palette generator →