#51A016#51A016

#51A016 is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.1% C 0.180 H 136.0°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#51A016
RGB	rgb(81, 160, 22)
HSL	hsl(94, 76%, 36%)
HSV	hsv(94, 86%, 63%)
CMYK	cmyk(49.4%, 0%, 86.3%, 37.3%)
CIE-LAB	lab(58.93, -46.26, 57.03)
CIE-LCH	lch(58.93, 73.43, 129.04°)
OKLab	oklab(63.06% -0.1292 0.1247)
OKLCH	oklch(63.06% 0.18 136)
XYZ	xyz(16.1085, 26.9478, 5.1115)
Luminance	0.2695 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A016 #6516A0

analogous

#96A016 #51A016 #16A020

triadic

#51A016 #1651A0 #A01651

tetradic

#51A016 #1696A0 #6516A0 #A02016

square

#51A016 #1696A0 #6516A0 #A02016

split-complementary

#51A016 #2016A0 #A01696

monochromatic

#1B3407 #366A0F #51A016 #6CD61D #8DE64A

Accessibility & contrast

On white

3.29

#51A016 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#51A016 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A016

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A016	#FFFFFF	#000000	##000000
##51A016	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69200

Deuteranopia (green-blind)

#9C8B29

Tritanopia (blue-blind)

#4D9A88

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #51a016;
/* rgb */ color: rgb(81, 160, 22);
/* oklch */ color: oklch(63.1% 0.180 136.0);

Tailwind

colors: {
  custom: {
    50: '#8abd63',
    500: '#51a016',
    950: '#000000',
  },
}

SCSS

$custom: #51a016;
$custom-light: #8abd63;
$custom-dark: #000000;

JSON

{
  "hex": "#51a016",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 22
  },
  "hsl": {
    "h": 94.348,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.63059,
    "c": 0.17958,
    "h": 136
  },
  "luminance": 0.26949
}

Semantic roles & 50–950 ramp

primary

#51A016

secondary

#924AC8

accent

#35F2A2

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #51A016

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

Preview Lab → · Contrast checker → · Palette generator →