#51A11C#51A11C

#51A11C is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.4% C 0.178 H 136.4°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#51A11C
RGB	rgb(81, 161, 28)
HSL	hsl(96, 70%, 37%)
HSV	hsv(96, 83%, 63%)
CMYK	cmyk(49.7%, 0%, 82.6%, 36.9%)
CIE-LAB	lab(59.27, -46.38, 55.80)
CIE-LCH	lch(59.27, 72.56, 129.74°)
OKLab	oklab(63.35% -0.1292 0.123)
OKLCH	oklch(63.35% 0.178 136.4)
XYZ	xyz(16.3473, 27.3218, 5.5106)
Luminance	0.2732 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A11C #6C1CA1

analogous

#94A11C #51A11C #1CA129

triadic

#51A11C #1C51A1 #A11C51

tetradic

#51A11C #1C94A1 #6C1CA1 #A1291C

square

#51A11C #1C94A1 #6C1CA1 #A1291C

split-complementary

#51A11C #291CA1 #A11C94

monochromatic

#1D390A #376D13 #51A11C #6BD525 #8EE256

Accessibility & contrast

On white

3.25

#51A11C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#51A11C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A11C

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A11C	#FFFFFF	#000000	##000000
##51A11C	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)

#9C8C2C

Tritanopia (blue-blind)

#4D9B89

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #51a11c;
/* rgb */ color: rgb(81, 161, 28);
/* oklch */ color: oklch(63.4% 0.178 136.4);

Tailwind

colors: {
  custom: {
    50: '#8abd65',
    500: '#51a11c',
    950: '#000000',
  },
}

SCSS

$custom: #51a11c;
$custom-light: #8abd65;
$custom-dark: #000000;

JSON

{
  "hex": "#51a11c",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 28
  },
  "hsl": {
    "h": 96.09,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.63351,
    "c": 0.17839,
    "h": 136.4
  },
  "luminance": 0.27323
}

Semantic roles & 50–950 ramp

primary

#51A11C

secondary

#9854C5

accent

#3BEDA6

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #51A11C

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

Preview Lab → · Contrast checker → · Palette generator →