#51A11E#51A11E

#51A11E is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.4% C 0.177 H 136.6°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#51A11E
RGB	rgb(81, 161, 30)
HSL	hsl(97, 69%, 37%)
HSV	hsv(97, 81%, 63%)
CMYK	cmyk(49.7%, 0%, 81.4%, 36.9%)
CIE-LAB	lab(59.28, -46.28, 55.24)
CIE-LCH	lch(59.28, 72.06, 129.96°)
OKLab	oklab(63.36% -0.1289 0.1221)
OKLCH	oklch(63.36% 0.178 136.6)
XYZ	xyz(16.3721, 27.3317, 5.6409)
Luminance	0.2733 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A11E #6E1EA1

analogous

#93A11E #51A11E #1EA12C

triadic

#51A11E #1E51A1 #A11E51

tetradic

#51A11E #1E93A1 #6E1EA1 #A12C1E

square

#51A11E #1E93A1 #6E1EA1 #A12C1E

split-complementary

#51A11E #2C1EA1 #A11E93

monochromatic

#1D3A0B #376D14 #51A11E #6BD528 #8EE059

Accessibility & contrast

On white

3.25

#51A11E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#51A11E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A11E

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A11E	#FFFFFF	#000000	##000000
##51A11E	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79300

Deuteranopia (green-blind)

#9C8C2E

Tritanopia (blue-blind)

#4D9B89

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #51a11e;
/* rgb */ color: rgb(81, 161, 30);
/* oklch */ color: oklch(63.4% 0.177 136.6);

Tailwind

colors: {
  custom: {
    50: '#8abd66',
    500: '#51a11e',
    950: '#000000',
  },
}

SCSS

$custom: #51a11e;
$custom-light: #8abd66;
$custom-dark: #000000;

JSON

{
  "hex": "#51a11e",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 30
  },
  "hsl": {
    "h": 96.641,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.63361,
    "c": 0.1775,
    "h": 136.6
  },
  "luminance": 0.27333
}

Semantic roles & 50–950 ramp

primary

#51A11E

secondary

#9957C4

accent

#3CEBA7

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #51A11E

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

Preview Lab → · Contrast checker → · Palette generator →