#51A119#51A119

#51A119 is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.3% C 0.180 H 136.3°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#51A119
RGB	rgb(81, 161, 25)
HSL	hsl(95, 73%, 36%)
HSV	hsv(95, 84%, 63%)
CMYK	cmyk(49.7%, 0%, 84.5%, 36.9%)
CIE-LAB	lab(59.26, -46.52, 56.59)
CIE-LCH	lch(59.26, 73.26, 129.42°)
OKLab	oklab(63.34% -0.1298 0.1242)
OKLCH	oklch(63.34% 0.18 136.3)
XYZ	xyz(16.3132, 27.3081, 5.3309)
Luminance	0.2731 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A119 #6919A1

analogous

#95A119 #51A119 #19A125

triadic

#51A119 #1951A1 #A11951

tetradic

#51A119 #1995A1 #6919A1 #A12519

square

#51A119 #1995A1 #6919A1 #A12519

split-complementary

#51A119 #2519A1 #A11995

monochromatic

#1C3709 #366C11 #51A119 #6CD621 #8DE450

Accessibility & contrast

On white

3.25

#51A119 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#51A119 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A119

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A119	#FFFFFF	#000000	##000000
##51A119	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79300

Deuteranopia (green-blind)

#9C8C2B

Tritanopia (blue-blind)

#4D9B89

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #51a119;
/* rgb */ color: rgb(81, 161, 25);
/* oklch */ color: oklch(63.3% 0.180 136.3);

Tailwind

colors: {
  custom: {
    50: '#8abd64',
    500: '#51a119',
    950: '#000000',
  },
}

SCSS

$custom: #51a119;
$custom-light: #8abd64;
$custom-dark: #000000;

JSON

{
  "hex": "#51a119",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 25
  },
  "hsl": {
    "h": 95.294,
    "s": 73.118,
    "l": 36.471
  },
  "oklch": {
    "l": 0.63337,
    "c": 0.17962,
    "h": 136.3
  },
  "luminance": 0.27309
}

Semantic roles & 50–950 ramp

primary

#51A119

secondary

#954FC6

accent

#38F0A4

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #51A119

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

Preview Lab → · Contrast checker → · Palette generator →