#51E67F#51E67F

#51E67F is a very light, vivid green. Relative luminance 0.599; OKLCH L 82.2% C 0.191 H 150.1°. Best body text is #000000 at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#51E67F
RGB	rgb(81, 230, 127)
HSL	hsl(139, 75%, 61%)
HSV	hsv(139, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 44.8%, 9.8%)
CIE-LAB	lab(81.77, -61.27, 38.77)
CIE-LCH	lch(81.77, 72.51, 147.67°)
OKLab	oklab(82.2% -0.1653 0.0952)
OKLCH	oklch(82.2% 0.191 150.1)
XYZ	xyz(35.5182, 59.8716, 29.7591)
Luminance	0.5988 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E67F #E651B8

analogous

#6DE651 #51E67F #51E6C9

triadic

#51E67F #7F51E6 #E67F51

tetradic

#51E67F #516DE6 #E651B8 #E6C951

square

#51E67F #516DE6 #E651B8 #E6C951

split-complementary

#51E67F #C951E6 #E6516D

monochromatic

#18A543 #1FDA59 #51E67F #87EEA6 #BCF5CE

Accessibility & contrast

On white

1.62

#51E67F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.98

#51E67F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E67F

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E67F	#FFFFFF	#000000	##000000
##51E67F	1.00	1.62	12.98	12.98
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.98	21.00	1.00	1.00
##000000	12.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D377

Deuteranopia (green-blind)

#D5C686

Tritanopia (blue-blind)

#0FE2CD

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e67f;
/* rgb */ color: rgb(81, 230, 127);
/* oklch */ color: oklch(82.2% 0.191 150.1);

Tailwind

colors: {
  custom: {
    50: '#92efa5',
    500: '#51e67f',
    950: '#000000',
  },
}

SCSS

$custom: #51e67f;
$custom-light: #92efa5;
$custom-dark: #000000;

JSON

{
  "hex": "#51e67f",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 127
  },
  "hsl": {
    "h": 138.523,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82204,
    "c": 0.19071,
    "h": 150.1
  },
  "luminance": 0.59875
}

Semantic roles & 50–950 ramp

primary

#51E67F

secondary

#A73484

accent

#0E99D7

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E67F

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

Preview Lab → · Contrast checker → · Palette generator →