#51BF63#51BF63

#51BF63 is a light, vivid green. Relative luminance 0.399; OKLCH L 71.9% C 0.165 H 146.8°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#51BF63
RGB	rgb(81, 191, 99)
HSL	hsl(130, 46%, 53%)
HSV	hsv(130, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 48.2%, 25.1%)
CIE-LAB	lab(69.41, -50.89, 37.03)
CIE-LCH	lch(69.41, 62.94, 143.96°)
OKLab	oklab(71.9% -0.1377 0.09)
OKLCH	oklch(71.9% 0.165 146.8)
XYZ	xyz(24.2747, 39.9096, 18.2261)
Luminance	0.3991 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF63 #BF51AD

analogous

#76BF51 #51BF63 #51BF9A

triadic

#51BF63 #6351BF #BF6351

tetradic

#51BF63 #5176BF #BF51AD #BF9A51

square

#51BF63 #5176BF #BF51AD #BF9A51

split-complementary

#51BF63 #9A51BF #BF5176

monochromatic

#286D34 #399A49 #51BF63 #7ECF8B #AAE0B3

Accessibility & contrast

On white

2.34

#51BF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#51BF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF63

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF63	#FFFFFF	#000000	##000000
##51BF63	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1B05C

Deuteranopia (green-blind)

#B3A669

Tritanopia (blue-blind)

#39BBA9

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51bf63;
/* rgb */ color: rgb(81, 191, 99);
/* oklch */ color: oklch(71.9% 0.165 146.8);

Tailwind

colors: {
  custom: {
    50: '#8cd391',
    500: '#51bf63',
    950: '#000000',
  },
}

SCSS

$custom: #51bf63;
$custom-light: #8cd391;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf63",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 99
  },
  "hsl": {
    "h": 129.818,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.71899,
    "c": 0.16457,
    "h": 146.8
  },
  "luminance": 0.39912
}

Semantic roles & 50–950 ramp

primary

#51BF63

secondary

#CE9EC6

accent

#52C0D6

background

#F9FDF9

surface

#F1FAF1

border

#CBD3CB

text

#0D140D

muted

#7E837E

Preview Lab

Preview with #51BF63

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

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