#51921F#51921F

#51921F is a mid, vivid yellow-green. Relative luminance 0.224; OKLCH L 59.4% C 0.159 H 135.1°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#51921F
RGB	rgb(81, 146, 31)
HSL	hsl(94, 65%, 35%)
HSV	hsv(94, 79%, 57%)
CMYK	cmyk(44.5%, 0%, 78.8%, 42.7%)
CIE-LAB	lab(54.45, -40.13, 50.40)
CIE-LCH	lch(54.45, 64.42, 128.53°)
OKLab	oklab(59.4% -0.1123 0.1121)
OKLCH	oklch(59.4% 0.159 135.1)
XYZ	xyz(13.9192, 22.4052, 4.8873)
Luminance	0.2241 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51921F #601F92

analogous

#8B921F #51921F #1F9226

triadic

#51921F #1F5192 #921F51

tetradic

#51921F #1F8B92 #601F92 #92261F

square

#51921F #1F8B92 #601F92 #92261F

split-complementary

#51921F #261F92 #921F8B

monochromatic

#192D0A #356014 #51921F #6DC42A #8DDA51

Accessibility & contrast

On white

3.83

#51921F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#51921F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51921F

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51921F	#FFFFFF	#000000	##000000
##51921F	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#988601

Deuteranopia (green-blind)

#8F802B

Tritanopia (blue-blind)

#4F8C7C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #51921f;
/* rgb */ color: rgb(81, 146, 31);
/* oklch */ color: oklch(59.4% 0.159 135.1);

Tailwind

colors: {
  custom: {
    50: '#88b264',
    500: '#51921f',
    950: '#000000',
  },
}

SCSS

$custom: #51921f;
$custom-light: #88b264;
$custom-dark: #000000;

JSON

{
  "hex": "#51921f",
  "rgb": {
    "r": 81,
    "g": 146,
    "b": 31
  },
  "hsl": {
    "h": 93.913,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.59398,
    "c": 0.15865,
    "h": 135.1
  },
  "luminance": 0.22406
}

Semantic roles & 50–950 ramp

primary

#51921F

secondary

#8E50BD

accent

#40E89F

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51921F

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

Preview Lab → · Contrast checker → · Palette generator →