#51A751#51A751

#51A751 is a light, vivid green. Relative luminance 0.300; OKLCH L 65.4% C 0.148 H 143.7°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#51A751
RGB	rgb(81, 167, 81)
HSL	hsl(120, 35%, 49%)
HSV	hsv(120, 51%, 65%)
CMYK	cmyk(51.5%, 0%, 51.5%, 34.5%)
CIE-LAB	lab(61.64, -43.85, 36.43)
CIE-LCH	lch(61.64, 57.01, 140.28°)
OKLab	oklab(65.44% -0.1192 0.0878)
OKLCH	oklch(65.44% 0.148 143.7)
XYZ	xyz(18.6963, 29.9794, 12.5844)
Luminance	0.2998 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A751 #A751A7

analogous

#7CA751 #51A751 #51A77C

triadic

#51A751 #5151A7 #A75151

tetradic

#51A751 #517CA7 #A751A7 #A77C51

square

#51A751 #517CA7 #A751A7 #A77C51

split-complementary

#51A751 #7C51A7 #A7517C

monochromatic

#295529 #3D7E3D #51A751 #78BD78 #A1D1A1

Accessibility & contrast

On white

3.00

#51A751 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#51A751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A751

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A751	#FFFFFF	#000000	##000000
##51A751	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9A4A

Deuteranopia (green-blind)

#9E9257

Tritanopia (blue-blind)

#45A393

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #51a751;
/* rgb */ color: rgb(81, 167, 81);
/* oklch */ color: oklch(65.4% 0.148 143.7);

Tailwind

colors: {
  custom: {
    50: '#89c284',
    500: '#51a751',
    950: '#000000',
  },
}

SCSS

$custom: #51a751;
$custom-light: #89c284;
$custom-dark: #000000;

JSON

{
  "hex": "#51a751",
  "rgb": {
    "r": 81,
    "g": 167,
    "b": 81
  },
  "hsl": {
    "h": 120,
    "s": 34.677,
    "l": 48.627
  },
  "oklch": {
    "l": 0.6544,
    "c": 0.14806,
    "h": 143.7
  },
  "luminance": 0.29981
}

Semantic roles & 50–950 ramp

primary

#51A751

secondary

#BF95BF

accent

#5DCBCB

background

#F8FCF8

surface

#F0F8EF

border

#CBD1CA

text

#0C120B

muted

#7D817C

Preview Lab

Preview with #51A751

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

Preview Lab → · Contrast checker → · Palette generator →