#51E667#51E667

#51E667 is a light, highly saturated green. Relative luminance 0.593; OKLCH L 81.9% C 0.211 H 145.8°. Best body text is #000000 at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#51E667
RGB	rgb(81, 230, 103)
HSL	hsl(129, 75%, 61%)
HSV	hsv(129, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 55.2%, 9.8%)
CIE-LAB	lab(81.47, -64.70, 49.84)
CIE-LCH	lch(81.47, 81.67, 142.39°)
OKLab	oklab(81.86% -0.1748 0.1187)
OKLCH	oklch(81.86% 0.211 145.8)
XYZ	xyz(34.1361, 59.3187, 22.4800)
Luminance	0.5932 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E667 #E651D0

analogous

#85E651 #51E667 #51E6B1

triadic

#51E667 #6751E6 #E66751

tetradic

#51E667 #5185E6 #E651D0 #E6B151

square

#51E667 #5185E6 #E651D0 #E6B151

split-complementary

#51E667 #B151E6 #E65185

monochromatic

#18A52D #1FDA3B #51E667 #87EE96 #BCF5C4

Accessibility & contrast

On white

1.63

#51E667 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.86

#51E667 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E667

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E667	#FFFFFF	#000000	##000000
##51E667	1.00	1.63	12.86	12.86
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.86	21.00	1.00	1.00
##000000	12.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D25B

Deuteranopia (green-blind)

#D7C671

Tritanopia (blue-blind)

#25E1CA

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e667;
/* rgb */ color: rgb(81, 230, 103);
/* oklch */ color: oklch(81.9% 0.211 145.8);

Tailwind

colors: {
  custom: {
    50: '#92ef95',
    500: '#51e667',
    950: '#000000',
  },
}

SCSS

$custom: #51e667;
$custom-light: #92ef95;
$custom-dark: #000000;

JSON

{
  "hex": "#51e667",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 103
  },
  "hsl": {
    "h": 128.859,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.81857,
    "c": 0.21136,
    "h": 145.8
  },
  "luminance": 0.59322
}

Semantic roles & 50–950 ramp

primary

#51E667

secondary

#A73496

accent

#0EB9D7

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E170D

muted

#7F857F

Preview Lab

Preview with #51E667

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

Preview Lab → · Contrast checker → · Palette generator →