#51A61E#51A61E

#51A61E is a light, vivid yellow-green. Relative luminance 0.291; OKLCH L 64.7% C 0.183 H 137.0°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#51A61E
RGB	rgb(81, 166, 30)
HSL	hsl(98, 69%, 38%)
HSV	hsv(98, 82%, 65%)
CMYK	cmyk(51.2%, 0%, 81.9%, 34.9%)
CIE-LAB	lab(60.88, -48.23, 56.71)
CIE-LCH	lch(60.88, 74.45, 130.38°)
OKLab	oklab(64.68% -0.1341 0.1252)
OKLCH	oklch(64.68% 0.183 137)
XYZ	xyz(17.2634, 29.1142, 5.9380)
Luminance	0.2912 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A61E #731EA6

analogous

#95A61E #51A61E #1EA62F

triadic

#51A61E #1E51A6 #A61E51

tetradic

#51A61E #1E95A6 #731EA6 #A62F1E

square

#51A61E #1E95A6 #731EA6 #A62F1E

split-complementary

#51A61E #2F1EA6 #A61E95

monochromatic

#1E3E0B #387215 #51A61E #6BD829 #8FE25D

Accessibility & contrast

On white

3.08

#51A61E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#51A61E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A61E

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A61E	#FFFFFF	#000000	##000000
##51A61E	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)

#A1902F

Tritanopia (blue-blind)

#4CA08D

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #51a61e;
/* rgb */ color: rgb(81, 166, 30);
/* oklch */ color: oklch(64.7% 0.183 137.0);

Tailwind

colors: {
  custom: {
    50: '#8bc167',
    500: '#51a61e',
    950: '#000000',
  },
}

SCSS

$custom: #51a61e;
$custom-light: #8bc167;
$custom-dark: #000000;

JSON

{
  "hex": "#51a61e",
  "rgb": {
    "r": 81,
    "g": 166,
    "b": 30
  },
  "hsl": {
    "h": 97.5,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.6468,
    "c": 0.18343,
    "h": 137
  },
  "luminance": 0.29116
}

Semantic roles & 50–950 ramp

primary

#51A61E

secondary

#9D5AC6

accent

#3CECAA

background

#F9FBF6

surface

#F1F7EB

border

#CBD0C6

text

#0D1207

muted

#7E817A

Preview Lab

Preview with #51A61E

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

Preview Lab → · Contrast checker → · Palette generator →