#51D645#51D645

#51D645 is a light, highly saturated green. Relative luminance 0.503; OKLCH L 77.4% C 0.218 H 141.9°. Best body text is #000000 at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#51D645
RGB	rgb(81, 214, 69)
HSL	hsl(115, 64%, 55%)
HSV	hsv(115, 68%, 84%)
CMYK	cmyk(62.1%, 0%, 67.8%, 16.1%)
CIE-LAB	lab(76.23, -62.85, 58.49)
CIE-LCH	lch(76.23, 85.86, 137.06°)
OKLab	oklab(77.43% -0.1713 0.1341)
OKLCH	oklch(77.43% 0.218 141.9)
XYZ	xyz(28.5126, 50.2694, 13.8294)
Luminance	0.5027 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D645 #CA45D6

analogous

#9AD645 #51D645 #45D681

triadic

#51D645 #4551D6 #D64551

tetradic

#51D645 #459AD6 #CA45D6 #D68145

square

#51D645 #459AD6 #CA45D6 #D68145

split-complementary

#51D645 #8145D6 #D6459A

monochromatic

#25841D #34B628 #51D645 #80E177 #AFECA9

Accessibility & contrast

On white

1.90

#51D645 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.05

#51D645 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D645

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D645	#FFFFFF	#000000	##000000
##51D645	1.00	1.90	11.05	11.05
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.05	21.00	1.00	1.00
##000000	11.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC330

Deuteranopia (green-blind)

#CBB853

Tritanopia (blue-blind)

#39D0B9

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d645;
/* rgb */ color: rgb(81, 214, 69);
/* oklch */ color: oklch(77.4% 0.218 141.9);

Tailwind

colors: {
  custom: {
    50: '#91e480',
    500: '#51d645',
    950: '#000000',
  },
}

SCSS

$custom: #51d645;
$custom-light: #91e480;
$custom-dark: #000000;

JSON

{
  "hex": "#51d645",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 69
  },
  "hsl": {
    "h": 115.034,
    "s": 63.877,
    "l": 55.49
  },
  "oklch": {
    "l": 0.7743,
    "c": 0.21758,
    "h": 141.9
  },
  "luminance": 0.50272
}

Semantic roles & 50–950 ramp

primary

#51D645

secondary

#83358A

accent

#41E7D9

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51D645

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

Preview Lab → · Contrast checker → · Palette generator →