#51EC7B#51EC7B

#51EC7B is a very light, highly saturated green. Relative luminance 0.632; OKLCH L 83.6% C 0.202 H 148.8°. Best body text is #000000 at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#51EC7B
RGB	rgb(81, 236, 123)
HSL	hsl(136, 80%, 62%)
HSV	hsv(136, 66%, 93%)
CMYK	cmyk(65.7%, 0%, 47.9%, 7.5%)
CIE-LAB	lab(83.53, -64.05, 42.95)
CIE-LCH	lch(83.53, 77.12, 146.15°)
OKLab	oklab(83.64% -0.1727 0.1045)
OKLCH	oklch(83.64% 0.202 148.8)
XYZ	xyz(36.9612, 63.1664, 28.9795)
Luminance	0.6317 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EC7B #EC51C2

analogous

#75EC51 #51EC7B #51ECC9

triadic

#51EC7B #7B51EC #EC7B51

tetradic

#51EC7B #5175EC #EC51C2 #ECC951

square

#51EC7B #5175EC #EC51C2 #ECC951

split-complementary

#51EC7B #C951EC #EC5175

monochromatic

#13AF3E #1AE651 #51EC7B #88F2A5 #BFF8CF

Accessibility & contrast

On white

1.54

#51EC7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.63

#51EC7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EC7B

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EC7B	#FFFFFF	#000000	##000000
##51EC7B	1.00	1.54	13.63	13.63
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.63	21.00	1.00	1.00
##000000	13.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED872

Deuteranopia (green-blind)

#DBCB83

Tritanopia (blue-blind)

#0CE8D1

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51ec7b;
/* rgb */ color: rgb(81, 236, 123);
/* oklch */ color: oklch(83.6% 0.202 148.8);

Tailwind

colors: {
  custom: {
    50: '#93f3a3',
    500: '#51ec7b',
    950: '#000000',
  },
}

SCSS

$custom: #51ec7b;
$custom-light: #93f3a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51ec7b",
  "rgb": {
    "r": 81,
    "g": 236,
    "b": 123
  },
  "hsl": {
    "h": 136.258,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.83639,
    "c": 0.20186,
    "h": 148.8
  },
  "luminance": 0.6317
}

Semantic roles & 50–950 ramp

primary

#51EC7B

secondary

#B0318E

accent

#09A3DD

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51EC7B

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

Preview Lab → · Contrast checker → · Palette generator →