#51A42B#51A42B

#51A42B is a light, vivid green. Relative luminance 0.285; OKLCH L 64.2% C 0.174 H 137.8°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#51A42B
RGB	rgb(81, 164, 43)
HSL	hsl(101, 58%, 41%)
HSV	hsv(101, 74%, 64%)
CMYK	cmyk(50.6%, 0%, 73.8%, 35.7%)
CIE-LAB	lab(60.31, -46.65, 51.92)
CIE-LCH	lch(60.31, 69.80, 131.94°)
OKLab	oklab(64.24% -0.1291 0.117)
OKLCH	oklch(64.24% 0.174 137.8)
XYZ	xyz(17.1043, 28.4734, 6.8797)
Luminance	0.2848 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A42B #7E2BA4

analogous

#8DA42B #51A42B #2BA441

triadic

#51A42B #2B51A4 #A42B51

tetradic

#51A42B #2B8DA4 #7E2BA4 #A4412B

square

#51A42B #2B8DA4 #7E2BA4 #A4412B

split-complementary

#51A42B #412BA4 #A42B8D

monochromatic

#214312 #39741E #51A42B #6CCD3F #91D970

Accessibility & contrast

On white

3.14

#51A42B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#51A42B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A42B

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A42B	#FFFFFF	#000000	##000000
##51A42B	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99614

Deuteranopia (green-blind)

#9E8F37

Tritanopia (blue-blind)

#4B9E8D

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #51a42b;
/* rgb */ color: rgb(81, 164, 43);
/* oklch */ color: oklch(64.2% 0.174 137.8);

Tailwind

colors: {
  custom: {
    50: '#8ac06c',
    500: '#51a42b',
    950: '#000000',
  },
}

SCSS

$custom: #51a42b;
$custom-light: #8ac06c;
$custom-dark: #000000;

JSON

{
  "hex": "#51a42b",
  "rgb": {
    "r": 81,
    "g": 164,
    "b": 43
  },
  "hsl": {
    "h": 101.157,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.64235,
    "c": 0.17423,
    "h": 137.8
  },
  "luminance": 0.28475
}

Semantic roles & 50–950 ramp

primary

#51A42B

secondary

#A56AC1

accent

#46E2B1

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #51A42B

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

Preview Lab → · Contrast checker → · Palette generator →