#51EC7E#51EC7E

#51EC7E is a very light, vivid green. Relative luminance 0.632; OKLCH L 83.7% C 0.199 H 149.4°. Best body text is #000000 at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#51EC7E
RGB	rgb(81, 236, 126)
HSL	hsl(137, 80%, 62%)
HSV	hsv(137, 66%, 93%)
CMYK	cmyk(65.7%, 0%, 46.6%, 7.5%)
CIE-LAB	lab(83.57, -63.60, 41.55)
CIE-LCH	lch(83.57, 75.97, 146.84°)
OKLab	oklab(83.69% -0.1715 0.1015)
OKLCH	oklch(83.69% 0.199 149.4)
XYZ	xyz(37.1518, 63.2427, 29.9837)
Luminance	0.6325 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EC7E #EC51BF

analogous

#72EC51 #51EC7E #51ECCB

triadic

#51EC7E #7E51EC #EC7E51

tetradic

#51EC7E #5172EC #EC51BF #ECCB51

square

#51EC7E #5172EC #EC51BF #ECCB51

split-complementary

#51EC7E #CB51EC #EC5172

monochromatic

#13AF41 #1AE655 #51EC7E #88F2A7 #BFF8D0

Accessibility & contrast

On white

1.54

#51EC7E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.65

#51EC7E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EC7E

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EC7E	#FFFFFF	#000000	##000000
##51EC7E	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)

#EED875

Deuteranopia (green-blind)

#DACB86

Tritanopia (blue-blind)

#05E8D2

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51ec7e;
/* rgb */ color: rgb(81, 236, 126);
/* oklch */ color: oklch(83.7% 0.199 149.4);

Tailwind

colors: {
  custom: {
    50: '#93f3a5',
    500: '#51ec7e',
    950: '#000000',
  },
}

SCSS

$custom: #51ec7e;
$custom-light: #93f3a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51ec7e",
  "rgb": {
    "r": 81,
    "g": 236,
    "b": 126
  },
  "hsl": {
    "h": 137.419,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.83685,
    "c": 0.19924,
    "h": 149.4
  },
  "luminance": 0.63247
}

Semantic roles & 50–950 ramp

primary

#51EC7E

secondary

#B0318B

accent

#099FDD

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51EC7E

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

Preview Lab → · Contrast checker → · Palette generator →