#51E683#51E683

#51E683 is a very light, vivid green. Relative luminance 0.600; OKLCH L 82.3% C 0.187 H 150.9°. Best body text is #000000 at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#51E683
RGB	rgb(81, 230, 131)
HSL	hsl(140, 75%, 61%)
HSV	hsv(140, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 43%, 9.8%)
CIE-LAB	lab(81.83, -60.63, 36.87)
CIE-LCH	lch(81.83, 70.96, 148.69°)
OKLab	oklab(82.27% -0.1636 0.0909)
OKLCH	oklch(82.27% 0.187 150.9)
XYZ	xyz(35.7840, 59.9779, 31.1594)
Luminance	0.5998 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E683 #E651B4

analogous

#69E651 #51E683 #51E6CD

triadic

#51E683 #8351E6 #E68351

tetradic

#51E683 #5169E6 #E651B4 #E6CD51

square

#51E683 #5169E6 #E651B4 #E6CD51

split-complementary

#51E683 #CD51E6 #E65169

monochromatic

#18A547 #1FDA5E #51E683 #87EEA9 #BCF5CF

Accessibility & contrast

On white

1.62

#51E683 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.00

#51E683 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E683

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E683	#FFFFFF	#000000	##000000
##51E683	1.00	1.62	13.00	13.00
#FFFFFF	1.62	1.00	21.00	21.00
#000000	13.00	21.00	1.00	1.00
##000000	13.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D37C

Deuteranopia (green-blind)

#D4C68A

Tritanopia (blue-blind)

#07E2CE

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e683;
/* rgb */ color: rgb(81, 230, 131);
/* oklch */ color: oklch(82.3% 0.187 150.9);

Tailwind

colors: {
  custom: {
    50: '#91efa8',
    500: '#51e683',
    950: '#000000',
  },
}

SCSS

$custom: #51e683;
$custom-light: #91efa8;
$custom-dark: #000000;

JSON

{
  "hex": "#51e683",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 131
  },
  "hsl": {
    "h": 140.134,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82271,
    "c": 0.18713,
    "h": 150.9
  },
  "luminance": 0.59982
}

Semantic roles & 50–950 ramp

primary

#51E683

secondary

#A73480

accent

#0E94D7

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E1710

muted

#7F8580

Preview Lab

Preview with #51E683

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

Preview Lab → · Contrast checker → · Palette generator →