#51BB65#51BB65

#51BB65 is a light, vivid green. Relative luminance 0.382; OKLCH L 70.9% C 0.157 H 147.6°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#51BB65
RGB	rgb(81, 187, 101)
HSL	hsl(131, 44%, 53%)
HSV	hsv(131, 57%, 73%)
CMYK	cmyk(56.7%, 0%, 46%, 26.7%)
CIE-LAB	lab(68.19, -49.01, 34.48)
CIE-LCH	lch(68.19, 59.92, 144.87°)
OKLab	oklab(70.91% -0.1327 0.0843)
OKLCH	oklch(70.91% 0.157 147.6)
XYZ	xyz(23.5111, 38.2275, 18.4491)
Luminance	0.3823 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB65 #BB51A7

analogous

#72BB51 #51BB65 #51BB9A

triadic

#51BB65 #6551BB #BB6551

tetradic

#51BB65 #5172BB #BB51A7 #BB9A51

square

#51BB65 #5172BB #BB51A7 #BB9A51

split-complementary

#51BB65 #9A51BB #BB5172

monochromatic

#296935 #3A954B #51BB65 #7DCC8C #A9DDB3

Accessibility & contrast

On white

2.43

#51BB65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.65

#51BB65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB65

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB65	#FFFFFF	#000000	##000000
##51BB65	1.00	2.43	8.65	8.65
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.65	21.00	1.00	1.00
##000000	8.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAC5E

Deuteranopia (green-blind)

#AFA26B

Tritanopia (blue-blind)

#3AB7A6

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bb65;
/* rgb */ color: rgb(81, 187, 101);
/* oklch */ color: oklch(70.9% 0.157 147.6);

Tailwind

colors: {
  custom: {
    50: '#8bd092',
    500: '#51bb65',
    950: '#000000',
  },
}

SCSS

$custom: #51bb65;
$custom-light: #8bd092;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb65",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 101
  },
  "hsl": {
    "h": 131.321,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.70908,
    "c": 0.1572,
    "h": 147.6
  },
  "luminance": 0.3823
}

Semantic roles & 50–950 ramp

primary

#51BB65

secondary

#CB9DC2

accent

#54BCD4

background

#F9FCF9

surface

#F1F9F1

border

#CBD2CB

text

#0D140D

muted

#7E827E

Preview Lab

Preview with #51BB65

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

Preview Lab → · Contrast checker → · Palette generator →