#51B42C#51B42C

#51B42C is a light, vivid green. Relative luminance 0.346; OKLCH L 68.4% C 0.193 H 138.8°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#51B42C
RGB	rgb(81, 180, 44)
HSL	hsl(104, 61%, 44%)
HSV	hsv(104, 76%, 71%)
CMYK	cmyk(55%, 0%, 75.6%, 29.4%)
CIE-LAB	lab(65.41, -52.70, 56.63)
CIE-LCH	lch(65.41, 77.35, 132.94°)
OKLab	oklab(68.44% -0.1453 0.127)
OKLCH	oklch(68.44% 0.193 138.8)
XYZ	xyz(20.1684, 34.5721, 7.9927)
Luminance	0.3457 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B42C #8F2CB4

analogous

#95B42C #51B42C #2CB44B

triadic

#51B42C #2C51B4 #B42C51

tetradic

#51B42C #2C95B4 #8F2CB4 #B44B2C

square

#51B42C #2C95B4 #8F2CB4 #B44B2C

split-complementary

#51B42C #4B2CB4 #B42C95

monochromatic

#255214 #3B8320 #51B42C #6FD34A #97DF7C

Accessibility & contrast

On white

2.65

#51B42C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#51B42C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B42C

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B42C	#FFFFFF	#000000	##000000
##51B42C	1.00	2.65	7.91	7.91
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A40E

Deuteranopia (green-blind)

#AD9C3B

Tritanopia (blue-blind)

#47AE9A

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #51b42c;
/* rgb */ color: rgb(81, 180, 44);
/* oklch */ color: oklch(68.4% 0.193 138.8);

Tailwind

colors: {
  custom: {
    50: '#8ccb6f',
    500: '#51b42c',
    950: '#000000',
  },
}

SCSS

$custom: #51b42c;
$custom-light: #8ccb6f;
$custom-dark: #000000;

JSON

{
  "hex": "#51b42c",
  "rgb": {
    "r": 81,
    "g": 180,
    "b": 44
  },
  "hsl": {
    "h": 103.676,
    "s": 60.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.68439,
    "c": 0.19299,
    "h": 138.8
  },
  "luminance": 0.34574
}

Semantic roles & 50–950 ramp

primary

#51B42C

secondary

#B175C7

accent

#44E4B8

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B42C

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

Preview Lab → · Contrast checker → · Palette generator →