#51E691#51E691

#51E691 is a very light, vivid green. Relative luminance 0.604; OKLCH L 82.5% C 0.175 H 154.4°. Best body text is #000000 at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#51E691
RGB	rgb(81, 230, 145)
HSL	hsl(146, 75%, 61%)
HSV	hsv(146, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 37%, 9.8%)
CIE-LAB	lab(82.05, -58.20, 30.11)
CIE-LCH	lch(82.05, 65.53, 152.64°)
OKLab	oklab(82.52% -0.1575 0.0753)
OKLCH	oklch(82.52% 0.175 154.4)
XYZ	xyz(36.7978, 60.3834, 36.4985)
Luminance	0.6039 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E691 #E651A6

analogous

#5BE651 #51E691 #51E6DB

triadic

#51E691 #9151E6 #E69151

tetradic

#51E691 #515BE6 #E651A6 #E6DB51

square

#51E691 #515BE6 #E651A6 #E6DB51

split-complementary

#51E691 #DB51E6 #E6515B

monochromatic

#18A554 #1FDA70 #51E691 #87EEB3 #BCF5D5

Accessibility & contrast

On white

1.61

#51E691 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.08

#51E691 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E691

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E691	#FFFFFF	#000000	##000000
##51E691	1.00	1.61	13.08	13.08
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.08	21.00	1.00	1.00
##000000	13.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D48B

Deuteranopia (green-blind)

#D2C797

Tritanopia (blue-blind)

#00E3D0

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e691;
/* rgb */ color: rgb(81, 230, 145);
/* oklch */ color: oklch(82.5% 0.175 154.4);

Tailwind

colors: {
  custom: {
    50: '#91efb2',
    500: '#51e691',
    950: '#000000',
  },
}

SCSS

$custom: #51e691;
$custom-light: #91efb2;
$custom-dark: #000000;

JSON

{
  "hex": "#51e691",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 145
  },
  "hsl": {
    "h": 145.772,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82524,
    "c": 0.17456,
    "h": 154.4
  },
  "luminance": 0.60387
}

Semantic roles & 50–950 ramp

primary

#51E691

secondary

#A73476

accent

#0E81D7

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1711

muted

#7F8581

Preview Lab

Preview with #51E691

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

Preview Lab → · Contrast checker → · Palette generator →