#51B72E#51B72E

#51B72E is a light, vivid green. Relative luminance 0.358; OKLCH L 69.2% C 0.195 H 139.1°. Best body text is #000000 at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#51B72E
RGB	rgb(81, 183, 46)
HSL	hsl(105, 60%, 45%)
HSV	hsv(105, 75%, 72%)
CMYK	cmyk(55.7%, 0%, 74.9%, 28.2%)
CIE-LAB	lab(66.38, -53.67, 56.89)
CIE-LCH	lch(66.38, 78.21, 133.33°)
OKLab	oklab(69.24% -0.1478 0.1278)
OKLCH	oklch(69.24% 0.195 139.1)
XYZ	xyz(20.8191, 35.8118, 8.3995)
Luminance	0.3581 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B72E #942EB7

analogous

#95B72E #51B72E #2EB750

triadic

#51B72E #2E51B7 #B72E51

tetradic

#51B72E #2E95B7 #942EB7 #B7502E

square

#51B72E #2E95B7 #942EB7 #B7502E

split-complementary

#51B72E #502EB7 #B72E95

monochromatic

#265515 #3B8622 #51B72E #71D34F #98DF80

Accessibility & contrast

On white

2.57

#51B72E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.16

#51B72E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B72E

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B72E	#FFFFFF	#000000	##000000
##51B72E	1.00	2.57	8.16	8.16
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.16	21.00	1.00	1.00
##000000	8.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA711

Deuteranopia (green-blind)

#B09E3C

Tritanopia (blue-blind)

#46B19D

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51b72e;
/* rgb */ color: rgb(81, 183, 46);
/* oklch */ color: oklch(69.2% 0.195 139.1);

Tailwind

colors: {
  custom: {
    50: '#8dcd70',
    500: '#51b72e',
    950: '#000000',
  },
}

SCSS

$custom: #51b72e;
$custom-light: #8dcd70;
$custom-dark: #000000;

JSON

{
  "hex": "#51b72e",
  "rgb": {
    "r": 81,
    "g": 183,
    "b": 46
  },
  "hsl": {
    "h": 104.672,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.69236,
    "c": 0.19541,
    "h": 139.1
  },
  "luminance": 0.35814
}

Semantic roles & 50–950 ramp

primary

#51B72E

secondary

#B479C8

accent

#45E3BB

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51B72E

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

Preview Lab → · Contrast checker → · Palette generator →