#51971C#51971C

#51971C is a mid, vivid yellow-green. Relative luminance 0.240; OKLCH L 60.7% C 0.166 H 135.4°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#51971C
RGB	rgb(81, 151, 28)
HSL	hsl(94, 69%, 35%)
HSV	hsv(94, 81%, 59%)
CMYK	cmyk(46.4%, 0%, 81.5%, 40.8%)
CIE-LAB	lab(56.05, -42.37, 52.84)
CIE-LCH	lch(56.05, 67.73, 128.73°)
OKLab	oklab(60.71% -0.1185 0.1168)
OKLCH	oklch(60.71% 0.166 135.4)
XYZ	xyz(14.6692, 23.9655, 4.9512)
Luminance	0.2397 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51971C #621C97

analogous

#8F971C #51971C #1C9724

triadic

#51971C #1C5197 #971C51

tetradic

#51971C #1C8F97 #621C97 #97241C

square

#51971C #1C8F97 #621C97 #97241C

split-complementary

#51971C #241C97 #971C8F

monochromatic

#1A3009 #356312 #51971C #6DCB26 #8DDE4F

Accessibility & contrast

On white

3.62

#51971C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#51971C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51971C

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51971C	#FFFFFF	#000000	##000000
##51971C	1.00	3.62	5.79	5.79
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8A00

Deuteranopia (green-blind)

#93842A

Tritanopia (blue-blind)

#4F9181

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #51971c;
/* rgb */ color: rgb(81, 151, 28);
/* oklch */ color: oklch(60.7% 0.166 135.4);

Tailwind

colors: {
  custom: {
    50: '#89b664',
    500: '#51971c',
    950: '#000000',
  },
}

SCSS

$custom: #51971c;
$custom-light: #89b664;
$custom-dark: #000000;

JSON

{
  "hex": "#51971c",
  "rgb": {
    "r": 81,
    "g": 151,
    "b": 28
  },
  "hsl": {
    "h": 94.146,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.60705,
    "c": 0.16634,
    "h": 135.4
  },
  "luminance": 0.23966
}

Semantic roles & 50–950 ramp

primary

#51971C

secondary

#8F4EC1

accent

#3CECA0

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51971C

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

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