#51A118#51A118

#51A118 is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.3% C 0.180 H 136.2°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#51A118
RGB	rgb(81, 161, 24)
HSL	hsl(95, 74%, 36%)
HSV	hsv(95, 85%, 63%)
CMYK	cmyk(49.7%, 0%, 85.1%, 36.9%)
CIE-LAB	lab(59.25, -46.57, 56.84)
CIE-LCH	lch(59.25, 73.48, 129.33°)
OKLab	oklab(63.33% -0.1299 0.1246)
OKLCH	oklch(63.33% 0.18 136.2)
XYZ	xyz(16.3026, 27.3039, 5.2751)
Luminance	0.2731 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A118 #6818A1

analogous

#96A118 #51A118 #18A123

triadic

#51A118 #1851A1 #A11851

tetradic

#51A118 #1896A1 #6818A1 #A12318

square

#51A118 #1896A1 #6818A1 #A12318

split-complementary

#51A118 #2318A1 #A11896

monochromatic

#1B3608 #366C10 #51A118 #6CD620 #8DE54F

Accessibility & contrast

On white

3.25

#51A118 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#51A118 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A118

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A118	#FFFFFF	#000000	##000000
##51A118	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)

#9D8C2A

Tritanopia (blue-blind)

#4D9B89

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #51a118;
/* rgb */ color: rgb(81, 161, 24);
/* oklch */ color: oklch(63.3% 0.180 136.2);

Tailwind

colors: {
  custom: {
    50: '#8abd64',
    500: '#51a118',
    950: '#000000',
  },
}

SCSS

$custom: #51a118;
$custom-light: #8abd64;
$custom-dark: #000000;

JSON

{
  "hex": "#51a118",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 24
  },
  "hsl": {
    "h": 95.036,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.63332,
    "c": 0.18001,
    "h": 136.2
  },
  "luminance": 0.27305
}

Semantic roles & 50–950 ramp

primary

#51A118

secondary

#954EC7

accent

#37F1A3

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #51A118

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

Preview Lab → · Contrast checker → · Palette generator →