#51B72F#51B72F

#51B72F is a light, vivid green. Relative luminance 0.358; OKLCH L 69.2% C 0.195 H 139.2°. Best body text is #000000 at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#51B72F
RGB	rgb(81, 183, 47)
HSL	hsl(105, 59%, 45%)
HSV	hsv(105, 74%, 72%)
CMYK	cmyk(55.7%, 0%, 74.3%, 28.2%)
CIE-LAB	lab(66.38, -53.60, 56.55)
CIE-LCH	lch(66.38, 77.91, 133.47°)
OKLab	oklab(69.24% -0.1475 0.1273)
OKLCH	oklch(69.24% 0.195 139.2)
XYZ	xyz(20.8391, 35.8198, 8.5045)
Luminance	0.3582 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B72F #952FB7

analogous

#95B72F #51B72F #2FB751

triadic

#51B72F #2F51B7 #B72F51

tetradic

#51B72F #2F95B7 #952FB7 #B7512F

square

#51B72F #2F95B7 #952FB7 #B7512F

split-complementary

#51B72F #512FB7 #B72F95

monochromatic

#265616 #3B8622 #51B72F #71D251 #99DF82

Accessibility & contrast

On white

2.57

#51B72F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.16

#51B72F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B72F

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B72F	#FFFFFF	#000000	##000000
##51B72F	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)

#BCA714

Deuteranopia (green-blind)

#AF9E3D

Tritanopia (blue-blind)

#46B19D

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51b72f;
/* rgb */ color: rgb(81, 183, 47);
/* oklch */ color: oklch(69.2% 0.195 139.2);

Tailwind

colors: {
  custom: {
    50: '#8ccd71',
    500: '#51b72f',
    950: '#000000',
  },
}

SCSS

$custom: #51b72f;
$custom-light: #8ccd71;
$custom-dark: #000000;

JSON

{
  "hex": "#51b72f",
  "rgb": {
    "r": 81,
    "g": 183,
    "b": 47
  },
  "hsl": {
    "h": 105,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.69243,
    "c": 0.19486,
    "h": 139.2
  },
  "luminance": 0.35822
}

Semantic roles & 50–950 ramp

primary

#51B72F

secondary

#B47AC8

accent

#45E2BB

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51B72F

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

Preview Lab → · Contrast checker → · Palette generator →