#51A51E#51A51E

#51A51E is a light, vivid yellow-green. Relative luminance 0.288; OKLCH L 64.4% C 0.182 H 136.9°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#51A51E
RGB	rgb(81, 165, 30)
HSL	hsl(97, 69%, 38%)
HSV	hsv(97, 82%, 65%)
CMYK	cmyk(50.9%, 0%, 81.8%, 35.3%)
CIE-LAB	lab(60.56, -47.84, 56.42)
CIE-LCH	lch(60.56, 73.97, 130.30°)
OKLab	oklab(64.42% -0.133 0.1246)
OKLCH	oklch(64.42% 0.182 136.9)
XYZ	xyz(17.0823, 28.7521, 5.8776)
Luminance	0.2875 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A51E #721EA5

analogous

#94A51E #51A51E #1EA52E

triadic

#51A51E #1E51A5 #A51E51

tetradic

#51A51E #1E94A5 #721EA5 #A52E1E

square

#51A51E #1E94A5 #721EA5 #A52E1E

split-complementary

#51A51E #2E1EA5 #A51E94

monochromatic

#1E3D0B #387115 #51A51E #6BD828 #8EE15C

Accessibility & contrast

On white

3.11

#51A51E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#51A51E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A51E

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A51E	#FFFFFF	#000000	##000000
##51A51E	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9600

Deuteranopia (green-blind)

#A08F2E

Tritanopia (blue-blind)

#4C9F8D

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #51a51e;
/* rgb */ color: rgb(81, 165, 30);
/* oklch */ color: oklch(64.4% 0.182 136.9);

Tailwind

colors: {
  custom: {
    50: '#8bc067',
    500: '#51a51e',
    950: '#000000',
  },
}

SCSS

$custom: #51a51e;
$custom-light: #8bc067;
$custom-dark: #000000;

JSON

{
  "hex": "#51a51e",
  "rgb": {
    "r": 81,
    "g": 165,
    "b": 30
  },
  "hsl": {
    "h": 97.333,
    "s": 69.231,
    "l": 38.235
  },
  "oklch": {
    "l": 0.64417,
    "c": 0.18225,
    "h": 136.9
  },
  "luminance": 0.28753
}

Semantic roles & 50–950 ramp

primary

#51A51E

secondary

#9D59C5

accent

#3CECA9

background

#F9FBF6

surface

#F1F7EB

border

#CBD0C6

text

#0D1207

muted

#7E817A

Preview Lab

Preview with #51A51E

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

Preview Lab → · Contrast checker → · Palette generator →