#51E65B#51E65B

#51E65B is a light, highly saturated green. Relative luminance 0.591; OKLCH L 81.7% C 0.221 H 144.2°. Best body text is #000000 at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#51E65B
RGB	rgb(81, 230, 91)
HSL	hsl(124, 75%, 61%)
HSV	hsv(124, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 60.4%, 9.8%)
CIE-LAB	lab(81.34, -66.13, 55.04)
CIE-LCH	lch(81.34, 86.04, 140.23°)
OKLab	oklab(81.72% -0.1791 0.1291)
OKLCH	oklch(81.72% 0.221 144.2)
XYZ	xyz(33.5764, 59.0948, 19.5325)
Luminance	0.5910 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E65B #E651DC

analogous

#91E651 #51E65B #51E6A5

triadic

#51E65B #5B51E6 #E65B51

tetradic

#51E65B #5191E6 #E651DC #E6A551

square

#51E65B #5191E6 #E651DC #E6A551

split-complementary

#51E65B #A551E6 #E65191

monochromatic

#18A521 #1FDA2C #51E65B #87EE8D #BCF5C0

Accessibility & contrast

On white

1.64

#51E65B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.82

#51E65B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E65B

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E65B	#FFFFFF	#000000	##000000
##51E65B	1.00	1.64	12.82	12.82
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.82	21.00	1.00	1.00
##000000	12.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD24C

Deuteranopia (green-blind)

#D8C567

Tritanopia (blue-blind)

#2BE0C8

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e65b;
/* rgb */ color: rgb(81, 230, 91);
/* oklch */ color: oklch(81.7% 0.221 144.2);

Tailwind

colors: {
  custom: {
    50: '#93ef8e',
    500: '#51e65b',
    950: '#000000',
  },
}

SCSS

$custom: #51e65b;
$custom-light: #93ef8e;
$custom-dark: #000000;

JSON

{
  "hex": "#51e65b",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 91
  },
  "hsl": {
    "h": 124.027,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.81716,
    "c": 0.22078,
    "h": 144.2
  },
  "luminance": 0.59098
}

Semantic roles & 50–950 ramp

primary

#51E65B

secondary

#A7349F

accent

#0ECAD7

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170D

muted

#7F857F

Preview Lab

Preview with #51E65B

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

Preview Lab → · Contrast checker → · Palette generator →