#51A61D#51A61D

#51A61D is a light, vivid yellow-green. Relative luminance 0.291; OKLCH L 64.7% C 0.184 H 136.9°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#51A61D
RGB	rgb(81, 166, 29)
HSL	hsl(97, 70%, 38%)
HSV	hsv(97, 83%, 65%)
CMYK	cmyk(51.2%, 0%, 82.5%, 34.9%)
CIE-LAB	lab(60.88, -48.28, 56.99)
CIE-LCH	lch(60.88, 74.69, 130.27°)
OKLab	oklab(64.68% -0.1343 0.1256)
OKLCH	oklch(64.68% 0.184 136.9)
XYZ	xyz(17.2508, 29.1092, 5.8718)
Luminance	0.2911 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A61D #721DA6

analogous

#95A61D #51A61D #1DA62D

triadic

#51A61D #1D51A6 #A61D51

tetradic

#51A61D #1D95A6 #721DA6 #A62D1D

square

#51A61D #1D95A6 #721DA6 #A62D1D

split-complementary

#51A61D #2D1DA6 #A61D95

monochromatic

#1E3E0B #387214 #51A61D #6BD927 #8EE25B

Accessibility & contrast

On white

3.08

#51A61D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#51A61D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A61D

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A61D	#FFFFFF	#000000	##000000
##51A61D	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9700

Deuteranopia (green-blind)

#A1902E

Tritanopia (blue-blind)

#4CA08D

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #51a61d;
/* rgb */ color: rgb(81, 166, 29);
/* oklch */ color: oklch(64.7% 0.184 136.9);

Tailwind

colors: {
  custom: {
    50: '#8bc166',
    500: '#51a61d',
    950: '#000000',
  },
}

SCSS

$custom: #51a61d;
$custom-light: #8bc166;
$custom-dark: #000000;

JSON

{
  "hex": "#51a61d",
  "rgb": {
    "r": 81,
    "g": 166,
    "b": 29
  },
  "hsl": {
    "h": 97.226,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.64675,
    "c": 0.18386,
    "h": 136.9
  },
  "luminance": 0.2911
}

Semantic roles & 50–950 ramp

primary

#51A61D

secondary

#9D59C6

accent

#3BEDA9

background

#F9FBF6

surface

#F1F7EB

border

#CBD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #51A61D

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

Preview Lab → · Contrast checker → · Palette generator →