#51F678#51F678

#51F678 is a very light, highly saturated green. Relative luminance 0.690; OKLCH L 86.1% C 0.217 H 147.7°. Best body text is #000000 at 14.80:1 contrast (WCAG AA passes).

Color values

HEX	#51F678
RGB	rgb(81, 246, 120)
HSL	hsl(134, 90%, 64%)
HSV	hsv(134, 67%, 96%)
CMYK	cmyk(67.1%, 0%, 51.2%, 3.5%)
CIE-LAB	lab(86.51, -67.99, 48.07)
CIE-LCH	lch(86.51, 83.27, 144.74°)
OKLab	oklab(86.09% -0.1833 0.1159)
OKLCH	oklch(86.09% 0.217 147.7)
XYZ	xyz(39.7364, 69.0127, 28.9923)
Luminance	0.6902 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F678 #F651CF

analogous

#7DF651 #51F678 #51F6CB

triadic

#51F678 #7851F6 #F67851

tetradic

#51F678 #517DF6 #F651CF #F6CB51

square

#51F678 #517DF6 #F651CF #F6CB51

split-complementary

#51F678 #CB51F6 #F6517D

monochromatic

#0AC336 #17F34B #51F678 #8BF9A5 #C5FCD2

Accessibility & contrast

On white

1.42

#51F678 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.80

#51F678 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F678

14.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F678	#FFFFFF	#000000	##000000
##51F678	1.00	1.42	14.80	14.80
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.80	21.00	1.00	1.00
##000000	14.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E16D

Deuteranopia (green-blind)

#E5D381

Tritanopia (blue-blind)

#00F1D9

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51f678;
/* rgb */ color: rgb(81, 246, 120);
/* oklch */ color: oklch(86.1% 0.217 147.7);

Tailwind

colors: {
  custom: {
    50: '#95faa1',
    500: '#51f678',
    950: '#000000',
  },
}

SCSS

$custom: #51f678;
$custom-light: #95faa1;
$custom-dark: #000000;

JSON

{
  "hex": "#51f678",
  "rgb": {
    "r": 81,
    "g": 246,
    "b": 120
  },
  "hsl": {
    "h": 134.182,
    "s": 90.164,
    "l": 64.118
  },
  "oklch": {
    "l": 0.86087,
    "c": 0.21683,
    "h": 147.7
  },
  "luminance": 0.69017
}

Semantic roles & 50–950 ramp

primary

#51F678

secondary

#C02B9D

accent

#00AFE6

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170F

muted

#808580

Preview Lab

Preview with #51F678

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

Preview Lab → · Contrast checker → · Palette generator →