#51B248#51B248

#51B248 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.2% C 0.171 H 142.0°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#51B248
RGB	rgb(81, 178, 72)
HSL	hsl(115, 42%, 49%)
HSV	hsv(115, 60%, 70%)
CMYK	cmyk(54.5%, 0%, 59.6%, 30.2%)
CIE-LAB	lab(65.01, -49.40, 44.79)
CIE-LCH	lch(65.01, 66.68, 137.80°)
OKLab	oklab(68.18% -0.1347 0.1054)
OKLCH	oklch(68.18% 0.171 142)
XYZ	xyz(20.4824, 34.0563, 11.6238)
Luminance	0.3406 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B248 #A948B2

analogous

#86B248 #51B248 #48B274

triadic

#51B248 #4851B2 #B24851

tetradic

#51B248 #4886B2 #A948B2 #B27448

square

#51B248 #4886B2 #A948B2 #B27448

split-complementary

#51B248 #7448B2 #B24886

monochromatic

#295B25 #3D8636 #51B248 #79C671 #A2D79D

Accessibility & contrast

On white

2.69

#51B248 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#51B248 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B248

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B248	#FFFFFF	#000000	##000000
##51B248	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A33D

Deuteranopia (green-blind)

#A99B50

Tritanopia (blue-blind)

#44AD9B

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51b248;
/* rgb */ color: rgb(81, 178, 72);
/* oklch */ color: oklch(68.2% 0.171 142.0);

Tailwind

colors: {
  custom: {
    50: '#8bca7e',
    500: '#51b248',
    950: '#000000',
  },
}

SCSS

$custom: #51b248;
$custom-light: #8bca7e;
$custom-dark: #000000;

JSON

{
  "hex": "#51b248",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 72
  },
  "hsl": {
    "h": 114.906,
    "s": 42.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.68176,
    "c": 0.17101,
    "h": 142
  },
  "luminance": 0.34058
}

Semantic roles & 50–950 ramp

primary

#51B248

secondary

#C092C4

accent

#56D2C8

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0D130A

muted

#7D827C

Preview Lab

Preview with #51B248

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

Preview Lab → · Contrast checker → · Palette generator →