#51E279#51E279

#51E279 is a light, vivid green. Relative luminance 0.575; OKLCH L 81.1% C 0.191 H 149.1°. Best body text is #000000 at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#51E279
RGB	rgb(81, 226, 121)
HSL	hsl(137, 71%, 60%)
HSV	hsv(137, 64%, 89%)
CMYK	cmyk(64.2%, 0%, 46.5%, 11.4%)
CIE-LAB	lab(80.47, -60.75, 40.07)
CIE-LCH	lch(80.47, 72.78, 146.59°)
OKLab	oklab(81.11% -0.1639 0.0979)
OKLCH	oklch(81.11% 0.191 149.1)
XYZ	xyz(34.0383, 57.5190, 27.3939)
Luminance	0.5752 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E279 #E251BA

analogous

#71E251 #51E279 #51E2C2

triadic

#51E279 #7951E2 #E27951

tetradic

#51E279 #5171E2 #E251BA #E2C251

square

#51E279 #5171E2 #E251BA #E2C251

split-complementary

#51E279 #C251E2 #E25171

monochromatic

#1A9E3F #23D354 #51E279 #85EBA1 #BAF3CA

Accessibility & contrast

On white

1.68

#51E279 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.50

#51E279 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E279

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E279	#FFFFFF	#000000	##000000
##51E279	1.00	1.68	12.50	12.50
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.50	21.00	1.00	1.00
##000000	12.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CF71

Deuteranopia (green-blind)

#D2C380

Tritanopia (blue-blind)

#1BDEC9

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e279;
/* rgb */ color: rgb(81, 226, 121);
/* oklch */ color: oklch(81.1% 0.191 149.1);

Tailwind

colors: {
  custom: {
    50: '#91eca1',
    500: '#51e279',
    950: '#000000',
  },
}

SCSS

$custom: #51e279;
$custom-light: #91eca1;
$custom-dark: #000000;

JSON

{
  "hex": "#51e279",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 121
  },
  "hsl": {
    "h": 136.552,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.81107,
    "c": 0.1909,
    "h": 149.1
  },
  "luminance": 0.57523
}

Semantic roles & 50–950 ramp

primary

#51E279

secondary

#A13684

accent

#129ED3

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E279

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

Preview Lab → · Contrast checker → · Palette generator →