#51D42F#51D42F

#51D42F is a light, highly saturated green. Relative luminance 0.490; OKLCH L 76.8% C 0.228 H 140.2°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#51D42F
RGB	rgb(81, 212, 47)
HSL	hsl(108, 66%, 51%)
HSV	hsv(108, 78%, 83%)
CMYK	cmyk(61.8%, 0%, 77.8%, 16.9%)
CIE-LAB	lab(75.48, -63.80, 65.40)
CIE-LCH	lch(75.48, 91.36, 134.29°)
OKLab	oklab(76.76% -0.175 0.1458)
OKLCH	oklch(76.76% 0.228 140.2)
XYZ	xyz(27.4486, 49.0389, 10.7077)
Luminance	0.4904 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D42F #B22FD4

analogous

#A4D42F #51D42F #2FD45F

triadic

#51D42F #2F51D4 #D42F51

tetradic

#51D42F #2FA4D4 #B22FD4 #D45F2F

square

#51D42F #2FA4D4 #B22FD4 #D45F2F

split-complementary

#51D42F #5F2FD4 #D42FA4

monochromatic

#2A7117 #3DA422 #51D42F #7BDE62 #A6E994

Accessibility & contrast

On white

1.94

#51D42F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.81

#51D42F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D42F

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D42F	#FFFFFF	#000000	##000000
##51D42F	1.00	1.94	10.81	10.81
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.81	21.00	1.00	1.00
##000000	10.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC000

Deuteranopia (green-blind)

#CAB642

Tritanopia (blue-blind)

#3ECDB5

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d42f;
/* rgb */ color: rgb(81, 212, 47);
/* oklch */ color: oklch(76.8% 0.228 140.2);

Tailwind

colors: {
  custom: {
    50: '#91e274',
    500: '#51d42f',
    950: '#000000',
  },
}

SCSS

$custom: #51d42f;
$custom-light: #91e274;
$custom-dark: #000000;

JSON

{
  "hex": "#51d42f",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 47
  },
  "hsl": {
    "h": 107.636,
    "s": 65.737,
    "l": 50.784
  },
  "oklch": {
    "l": 0.76758,
    "c": 0.22776,
    "h": 140.2
  },
  "luminance": 0.49042
}

Semantic roles & 50–950 ramp

primary

#51D42F

secondary

#C58BD4

accent

#3FE9C6

background

#F9FEF7

surface

#F2FCED

border

#CCD5C8

text

#0E1509

muted

#7E847B

Preview Lab

Preview with #51D42F

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

Preview Lab → · Contrast checker → · Palette generator →