#51A129#51A129

#51A129 is a light, vivid green. Relative luminance 0.274; OKLCH L 63.4% C 0.172 H 137.4°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#51A129
RGB	rgb(81, 161, 41)
HSL	hsl(100, 59%, 40%)
HSV	hsv(100, 75%, 63%)
CMYK	cmyk(49.7%, 0%, 74.5%, 36.9%)
CIE-LAB	lab(59.34, -45.61, 51.68)
CIE-LCH	lch(59.34, 68.92, 131.43°)
OKLab	oklab(63.43% -0.1264 0.1163)
OKLCH	oklch(63.43% 0.172 137.4)
XYZ	xyz(16.5379, 27.3980, 6.5143)
Luminance	0.2740 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A129 #7929A1

analogous

#8DA129 #51A129 #29A13D

triadic

#51A129 #2951A1 #A12951

tetradic

#51A129 #298DA1 #7929A1 #A13D29

square

#51A129 #298DA1 #7929A1 #A13D29

split-complementary

#51A129 #3D29A1 #A1298D

monochromatic

#203F10 #38701D #51A129 #6BCD3A #90D96B

Accessibility & contrast

On white

3.24

#51A129 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#51A129 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A129

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A129	#FFFFFF	#000000	##000000
##51A129	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69312

Deuteranopia (green-blind)

#9C8C35

Tritanopia (blue-blind)

#4C9B8A

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #51a129;
/* rgb */ color: rgb(81, 161, 41);
/* oklch */ color: oklch(63.4% 0.172 137.4);

Tailwind

colors: {
  custom: {
    50: '#89bd6b',
    500: '#51a129',
    950: '#000000',
  },
}

SCSS

$custom: #51a129;
$custom-light: #89bd6b;
$custom-dark: #000000;

JSON

{
  "hex": "#51a129",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 41
  },
  "hsl": {
    "h": 100,
    "s": 59.406,
    "l": 39.608
  },
  "oklch": {
    "l": 0.63431,
    "c": 0.17171,
    "h": 137.4
  },
  "luminance": 0.27399
}

Semantic roles & 50–950 ramp

primary

#51A129

secondary

#A266C0

accent

#45E3AE

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #51A129

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

Preview Lab → · Contrast checker → · Palette generator →