#51EE7B#51EE7B

#51EE7B is a very light, highly saturated green. Relative luminance 0.643; OKLCH L 84.1% C 0.204 H 148.7°. Best body text is #000000 at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#51EE7B
RGB	rgb(81, 238, 123)
HSL	hsl(136, 82%, 63%)
HSV	hsv(136, 66%, 93%)
CMYK	cmyk(66%, 0%, 48.3%, 6.7%)
CIE-LAB	lab(84.13, -64.76, 43.71)
CIE-LCH	lch(84.13, 78.13, 145.98°)
OKLab	oklab(84.14% -0.1746 0.1063)
OKLCH	oklch(84.14% 0.204 148.7)
XYZ	xyz(37.5402, 64.3245, 29.1725)
Luminance	0.6433 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EE7B #EE51C4

analogous

#75EE51 #51EE7B #51EECA

triadic

#51EE7B #7B51EE #EE7B51

tetradic

#51EE7B #5175EE #EE51C4 #EECA51

square

#51EE7B #5175EE #EE51C4 #EECA51

split-complementary

#51EE7B #CA51EE #EE5175

monochromatic

#11B33D #19E951 #51EE7B #89F3A5 #C1F9D0

Accessibility & contrast

On white

1.51

#51EE7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.87

#51EE7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EE7B

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EE7B	#FFFFFF	#000000	##000000
##51EE7B	1.00	1.51	13.87	13.87
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.87	21.00	1.00	1.00
##000000	13.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DA72

Deuteranopia (green-blind)

#DDCD83

Tritanopia (blue-blind)

#08E9D3

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #51ee7b;
/* rgb */ color: rgb(81, 238, 123);
/* oklch */ color: oklch(84.1% 0.204 148.7);

Tailwind

colors: {
  custom: {
    50: '#93f5a3',
    500: '#51ee7b',
    950: '#000000',
  },
}

SCSS

$custom: #51ee7b;
$custom-light: #93f5a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51ee7b",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 123
  },
  "hsl": {
    "h": 136.051,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.84138,
    "c": 0.20438,
    "h": 148.7
  },
  "luminance": 0.64328
}

Semantic roles & 50–950 ramp

primary

#51EE7B

secondary

#B33090

accent

#07A5DF

background

#FCFFFC

surface

#F5FFF6

border

#CFD7D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51EE7B

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

Preview Lab → · Contrast checker → · Palette generator →