#51E183#51E183

#51E183 is a light, vivid green. Relative luminance 0.572; OKLCH L 81.0% C 0.181 H 151.4°. Best body text is #000000 at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#51E183
RGB	rgb(81, 225, 131)
HSL	hsl(141, 71%, 60%)
HSV	hsv(141, 64%, 88%)
CMYK	cmyk(64%, 0%, 41.8%, 11.8%)
CIE-LAB	lab(80.31, -58.77, 34.90)
CIE-LCH	lch(80.31, 68.35, 149.29°)
OKLab	oklab(81.02% -0.1587 0.0863)
OKLCH	oklch(81.02% 0.181 151.4)
XYZ	xyz(34.4125, 57.2349, 30.7022)
Luminance	0.5724 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E183 #E151AF

analogous

#67E151 #51E183 #51E1CB

triadic

#51E183 #8351E1 #E18351

tetradic

#51E183 #5167E1 #E151AF #E1CB51

square

#51E183 #5167E1 #E151AF #E1CB51

split-complementary

#51E183 #CB51E1 #E15167

monochromatic

#1B9D48 #24D160 #51E183 #85EAA8 #B9F3CD

Accessibility & contrast

On white

1.69

#51E183 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.45

#51E183 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E183

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E183	#FFFFFF	#000000	##000000
##51E183	1.00	1.69	12.45	12.45
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.45	21.00	1.00	1.00
##000000	12.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CF7C

Deuteranopia (green-blind)

#CFC289

Tritanopia (blue-blind)

#0FDECA

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51e183;
/* rgb */ color: rgb(81, 225, 131);
/* oklch */ color: oklch(81.0% 0.181 151.4);

Tailwind

colors: {
  custom: {
    50: '#91eba8',
    500: '#51e183',
    950: '#000000',
  },
}

SCSS

$custom: #51e183;
$custom-light: #91eba8;
$custom-dark: #000000;

JSON

{
  "hex": "#51e183",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 131
  },
  "hsl": {
    "h": 140.833,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.81023,
    "c": 0.18063,
    "h": 151.4
  },
  "luminance": 0.57238
}

Semantic roles & 50–950 ramp

primary

#51E183

secondary

#A0367B

accent

#3AAFED

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E1610

muted

#7F8580

Preview Lab

Preview with #51E183

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

Preview Lab → · Contrast checker → · Palette generator →