#51B348#51B348

#51B348 is a light, vivid green. Relative luminance 0.345; OKLCH L 68.4% C 0.172 H 142.0°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#51B348
RGB	rgb(81, 179, 72)
HSL	hsl(115, 43%, 49%)
HSV	hsv(115, 60%, 70%)
CMYK	cmyk(54.7%, 0%, 59.8%, 29.8%)
CIE-LAB	lab(65.32, -49.79, 45.15)
CIE-LCH	lch(65.32, 67.22, 137.80°)
OKLab	oklab(68.44% -0.1358 0.1061)
OKLCH	oklch(68.44% 0.172 142)
XYZ	xyz(20.6821, 34.4557, 11.6904)
Luminance	0.3446 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B348 #AA48B3

analogous

#87B348 #51B348 #48B375

triadic

#51B348 #4851B3 #B34851

tetradic

#51B348 #4887B3 #AA48B3 #B37548

square

#51B348 #4887B3 #AA48B3 #B37548

split-complementary

#51B348 #7548B3 #B34887

monochromatic

#2A5C25 #3D8736 #51B348 #79C672 #A2D89E

Accessibility & contrast

On white

2.66

#51B348 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#51B348 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B348

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B348	#FFFFFF	#000000	##000000
##51B348	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A43D

Deuteranopia (green-blind)

#AA9B50

Tritanopia (blue-blind)

#44AE9C

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #51b348;
/* rgb */ color: rgb(81, 179, 72);
/* oklch */ color: oklch(68.4% 0.172 142.0);

Tailwind

colors: {
  custom: {
    50: '#8bca7f',
    500: '#51b348',
    950: '#000000',
  },
}

SCSS

$custom: #51b348;
$custom-light: #8bca7f;
$custom-dark: #000000;

JSON

{
  "hex": "#51b348",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 72
  },
  "hsl": {
    "h": 114.953,
    "s": 42.629,
    "l": 49.216
  },
  "oklch": {
    "l": 0.68436,
    "c": 0.17232,
    "h": 142
  },
  "luminance": 0.34457
}

Semantic roles & 50–950 ramp

primary

#51B348

secondary

#C092C4

accent

#55D2C8

background

#F9FCF7

surface

#F1F8EE

border

#CBD1C9

text

#0D130A

muted

#7E827C

Preview Lab

Preview with #51B348

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

Preview Lab → · Contrast checker → · Palette generator →