#51B130#51B130

#51B130 is a light, vivid green. Relative luminance 0.334; OKLCH L 67.7% C 0.187 H 139.0°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#51B130
RGB	rgb(81, 177, 48)
HSL	hsl(105, 57%, 44%)
HSV	hsv(105, 73%, 69%)
CMYK	cmyk(54.2%, 0%, 72.9%, 30.6%)
CIE-LAB	lab(64.49, -51.29, 54.28)
CIE-LCH	lch(64.49, 74.68, 133.37°)
OKLab	oklab(67.68% -0.1413 0.1227)
OKLCH	oklch(67.68% 0.187 139)
XYZ	xyz(19.6482, 33.4054, 8.2082)
Luminance	0.3341 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B130 #9030B1

analogous

#92B130 #51B130 #30B150

triadic

#51B130 #3051B1 #B13051

tetradic

#51B130 #3092B1 #9030B1 #B15030

square

#51B130 #3092B1 #9030B1 #B15030

split-complementary

#51B130 #5030B1 #B13092

monochromatic

#255116 #3B8123 #51B130 #70CF4F #97DC7F

Accessibility & contrast

On white

2.73

#51B130 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#51B130 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B130

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B130	#FFFFFF	#000000	##000000
##51B130	1.00	2.73	7.68	7.68
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A119

Deuteranopia (green-blind)

#AA993D

Tritanopia (blue-blind)

#48AB98

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51b130;
/* rgb */ color: rgb(81, 177, 48);
/* oklch */ color: oklch(67.7% 0.187 139.0);

Tailwind

colors: {
  custom: {
    50: '#8cc971',
    500: '#51b130',
    950: '#000000',
  },
}

SCSS

$custom: #51b130;
$custom-light: #8cc971;
$custom-dark: #000000;

JSON

{
  "hex": "#51b130",
  "rgb": {
    "r": 81,
    "g": 177,
    "b": 48
  },
  "hsl": {
    "h": 104.651,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.67683,
    "c": 0.1871,
    "h": 139
  },
  "luminance": 0.33407
}

Semantic roles & 50–950 ramp

primary

#51B130

secondary

#B178C5

accent

#47E1B9

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B130

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

Preview Lab → · Contrast checker → · Palette generator →