#51E699#51E699

#51E699 is a very light, vivid green. Relative luminance 0.606; OKLCH L 82.7% C 0.167 H 156.8°. Best body text is #000000 at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#51E699
RGB	rgb(81, 230, 153)
HSL	hsl(149, 75%, 61%)
HSV	hsv(149, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 33.5%, 9.8%)
CIE-LAB	lab(82.18, -56.70, 26.21)
CIE-LCH	lch(82.18, 62.46, 155.19°)
OKLab	oklab(82.68% -0.1539 0.0661)
OKLCH	oklch(82.68% 0.167 156.8)
XYZ	xyz(37.4365, 60.6389, 39.8624)
Luminance	0.6064 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E699 #E6519E

analogous

#53E651 #51E699 #51E6E3

triadic

#51E699 #9951E6 #E69951

tetradic

#51E699 #5153E6 #E6519E #E6E351

square

#51E699 #5153E6 #E6519E #E6E351

split-complementary

#51E699 #E351E6 #E65153

monochromatic

#18A55C #1FDA7A #51E699 #87EEB8 #BCF5D8

Accessibility & contrast

On white

1.60

#51E699 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.13

#51E699 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E699

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E699	#FFFFFF	#000000	##000000
##51E699	1.00	1.60	13.13	13.13
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.13	21.00	1.00	1.00
##000000	13.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D594

Deuteranopia (green-blind)

#D1C79E

Tritanopia (blue-blind)

#00E4D2

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e699;
/* rgb */ color: rgb(81, 230, 153);
/* oklch */ color: oklch(82.7% 0.167 156.8);

Tailwind

colors: {
  custom: {
    50: '#91efb7',
    500: '#51e699',
    950: '#000000',
  },
}

SCSS

$custom: #51e699;
$custom-light: #91efb7;
$custom-dark: #000000;

JSON

{
  "hex": "#51e699",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 153
  },
  "hsl": {
    "h": 148.993,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82683,
    "c": 0.16747,
    "h": 156.8
  },
  "luminance": 0.60643
}

Semantic roles & 50–950 ramp

primary

#51E699

secondary

#A73470

accent

#0E76D7

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1611

muted

#7F8581

Preview Lab

Preview with #51E699

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

Preview Lab → · Contrast checker → · Palette generator →