#51E17F#51E17F

#51E17F is a light, vivid green. Relative luminance 0.571; OKLCH L 81.0% C 0.184 H 150.5°. Best body text is #000000 at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#51E17F
RGB	rgb(81, 225, 127)
HSL	hsl(139, 71%, 60%)
HSV	hsv(139, 64%, 88%)
CMYK	cmyk(64%, 0%, 43.6%, 11.8%)
CIE-LAB	lab(80.25, -59.43, 36.83)
CIE-LCH	lch(80.25, 69.92, 148.22°)
OKLab	oklab(80.96% -0.1604 0.0907)
OKLCH	oklch(80.96% 0.184 150.5)
XYZ	xyz(34.1467, 57.1285, 29.3019)
Luminance	0.5713 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E17F #E151B3

analogous

#6BE151 #51E17F #51E1C7

triadic

#51E17F #7F51E1 #E17F51

tetradic

#51E17F #516BE1 #E151B3 #E1C751

square

#51E17F #516BE1 #E151B3 #E1C751

split-complementary

#51E17F #C751E1 #E1516B

monochromatic

#1B9D44 #24D15B #51E17F #85EAA5 #B9F3CC

Accessibility & contrast

On white

1.69

#51E17F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.43

#51E17F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E17F

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E17F	#FFFFFF	#000000	##000000
##51E17F	1.00	1.69	12.43	12.43
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.43	21.00	1.00	1.00
##000000	12.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CF78

Deuteranopia (green-blind)

#D0C286

Tritanopia (blue-blind)

#15DDC9

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51e17f;
/* rgb */ color: rgb(81, 225, 127);
/* oklch */ color: oklch(81.0% 0.184 150.5);

Tailwind

colors: {
  custom: {
    50: '#91eba5',
    500: '#51e17f',
    950: '#000000',
  },
}

SCSS

$custom: #51e17f;
$custom-light: #91eba5;
$custom-dark: #000000;

JSON

{
  "hex": "#51e17f",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 127
  },
  "hsl": {
    "h": 139.167,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.80955,
    "c": 0.18424,
    "h": 150.5
  },
  "luminance": 0.57132
}

Semantic roles & 50–950 ramp

primary

#51E17F

secondary

#A0367E

accent

#3AB4ED

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E17F

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

Preview Lab → · Contrast checker → · Palette generator →