#51BF80#51BF80

#51BF80 is a light, vivid green. Relative luminance 0.406; OKLCH L 72.4% C 0.137 H 155.5°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#51BF80
RGB	rgb(81, 191, 128)
HSL	hsl(146, 46%, 53%)
HSV	hsv(146, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 33%, 25.1%)
CIE-LAB	lab(69.87, -45.90, 22.59)
CIE-LCH	lch(69.87, 51.16, 153.80°)
OKLab	oklab(72.43% -0.1249 0.057)
OKLCH	oklch(72.43% 0.137 155.5)
XYZ	xyz(25.9183, 40.5670, 26.8822)
Luminance	0.4057 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF80 #BF5190

analogous

#59BF51 #51BF80 #51BFB7

triadic

#51BF80 #8051BF #BF8051

tetradic

#51BF80 #5159BF #BF5190 #BFB751

square

#51BF80 #5159BF #BF5190 #BFB751

split-complementary

#51BF80 #B751BF #BF5159

monochromatic

#286D46 #399A62 #51BF80 #7ECFA1 #AAE0C1

Accessibility & contrast

On white

2.30

#51BF80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#51BF80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF80

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF80	#FFFFFF	#000000	##000000
##51BF80	1.00	2.30	9.11	9.11
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEB17C

Deuteranopia (green-blind)

#AFA684

Tritanopia (blue-blind)

#2CBDAF

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51bf80;
/* rgb */ color: rgb(81, 191, 128);
/* oklch */ color: oklch(72.4% 0.137 155.5);

Tailwind

colors: {
  custom: {
    50: '#8bd3a5',
    500: '#51bf80',
    950: '#000000',
  },
}

SCSS

$custom: #51bf80;
$custom-light: #8bd3a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf80",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 128
  },
  "hsl": {
    "h": 145.636,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72434,
    "c": 0.13726,
    "h": 155.5
  },
  "luminance": 0.40569
}

Semantic roles & 50–950 ramp

primary

#51BF80

secondary

#CE9EB9

accent

#529DD6

background

#F9FDFA

surface

#F1FAF4

border

#CBD3CE

text

#0D140F

muted

#7E837F

Preview Lab

Preview with #51BF80

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

Preview Lab → · Contrast checker → · Palette generator →