#51EC7F#51EC7F

#51EC7F is a very light, vivid green. Relative luminance 0.633; OKLCH L 83.7% C 0.198 H 149.6°. Best body text is #000000 at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#51EC7F
RGB	rgb(81, 236, 127)
HSL	hsl(138, 80%, 62%)
HSV	hsv(138, 66%, 93%)
CMYK	cmyk(65.7%, 0%, 46.2%, 7.5%)
CIE-LAB	lab(83.58, -63.45, 41.09)
CIE-LCH	lch(83.58, 75.59, 147.07°)
OKLab	oklab(83.7% -0.171 0.1005)
OKLCH	oklch(83.7% 0.198 149.6)
XYZ	xyz(37.2167, 63.2686, 30.3253)
Luminance	0.6327 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EC7F #EC51BE

analogous

#71EC51 #51EC7F #51ECCC

triadic

#51EC7F #7F51EC #EC7F51

tetradic

#51EC7F #5171EC #EC51BE #ECCC51

square

#51EC7F #5171EC #EC51BE #ECCC51

split-complementary

#51EC7F #CC51EC #EC5171

monochromatic

#13AF42 #1AE656 #51EC7F #88F2A8 #BFF8D0

Accessibility & contrast

On white

1.54

#51EC7F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.65

#51EC7F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EC7F

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EC7F	#FFFFFF	#000000	##000000
##51EC7F	1.00	1.54	13.65	13.65
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.65	21.00	1.00	1.00
##000000	13.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED876

Deuteranopia (green-blind)

#DACB87

Tritanopia (blue-blind)

#03E8D2

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51ec7f;
/* rgb */ color: rgb(81, 236, 127);
/* oklch */ color: oklch(83.7% 0.198 149.6);

Tailwind

colors: {
  custom: {
    50: '#93f3a5',
    500: '#51ec7f',
    950: '#000000',
  },
}

SCSS

$custom: #51ec7f;
$custom-light: #93f3a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51ec7f",
  "rgb": {
    "r": 81,
    "g": 236,
    "b": 127
  },
  "hsl": {
    "h": 137.806,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.83701,
    "c": 0.19836,
    "h": 149.6
  },
  "luminance": 0.63273
}

Semantic roles & 50–950 ramp

primary

#51EC7F

secondary

#B0318A

accent

#099EDD

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51EC7F

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

Preview Lab → · Contrast checker → · Palette generator →