#51E37E#51E37E

#51E37E is a light, vivid green. Relative luminance 0.582; OKLCH L 81.4% C 0.188 H 150.1°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#51E37E
RGB	rgb(81, 227, 126)
HSL	hsl(138, 72%, 60%)
HSV	hsv(138, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 44.5%, 11%)
CIE-LAB	lab(80.84, -60.33, 38.08)
CIE-LCH	lch(80.84, 71.35, 147.74°)
OKLab	oklab(81.44% -0.1628 0.0935)
OKLCH	oklch(81.44% 0.188 150.1)
XYZ	xyz(34.6256, 58.1903, 29.1417)
Luminance	0.5819 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E37E #E351B6

analogous

#6DE351 #51E37E #51E3C7

triadic

#51E37E #7E51E3 #E37E51

tetradic

#51E37E #516DE3 #E351B6 #E3C751

square

#51E37E #516DE3 #E351B6 #E3C751

split-complementary

#51E37E #C751E3 #E3516D

monochromatic

#1AA043 #22D559 #51E37E #86EBA5 #BAF4CC

Accessibility & contrast

On white

1.66

#51E37E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#51E37E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E37E

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E37E	#FFFFFF	#000000	##000000
##51E37E	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4D076

Deuteranopia (green-blind)

#D2C485

Tritanopia (blue-blind)

#14DFCB

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e37e;
/* rgb */ color: rgb(81, 227, 126);
/* oklch */ color: oklch(81.4% 0.188 150.1);

Tailwind

colors: {
  custom: {
    50: '#91eda4',
    500: '#51e37e',
    950: '#000000',
  },
}

SCSS

$custom: #51e37e;
$custom-light: #91eda4;
$custom-dark: #000000;

JSON

{
  "hex": "#51e37e",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 126
  },
  "hsl": {
    "h": 138.493,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81438,
    "c": 0.18773,
    "h": 150.1
  },
  "luminance": 0.58194
}

Semantic roles & 50–950 ramp

primary

#51E37E

secondary

#A33581

accent

#1198D4

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E37E

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

Preview Lab → · Contrast checker → · Palette generator →