#51BF45#51BF45

#51BF45 is a light, vivid green. Relative luminance 0.394; OKLCH L 71.5% C 0.190 H 141.7°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#51BF45
RGB	rgb(81, 191, 69)
HSL	hsl(114, 49%, 51%)
HSV	hsv(114, 64%, 75%)
CMYK	cmyk(57.6%, 0%, 63.9%, 25.1%)
CIE-LAB	lab(69.07, -54.66, 50.71)
CIE-LCH	lch(69.07, 74.56, 137.14°)
OKLab	oklab(71.51% -0.1491 0.1177)
OKLCH	oklch(71.51% 0.19 141.7)
XYZ	xyz(23.0972, 39.4386, 12.0243)
Luminance	0.3944 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF45 #B345BF

analogous

#8EBF45 #51BF45 #45BF76

triadic

#51BF45 #4551BF #BF4551

tetradic

#51BF45 #458EBF #B345BF #BF7645

square

#51BF45 #458EBF #B345BF #BF7645

split-complementary

#51BF45 #7645BF #BF458E

monochromatic

#2A6623 #3C9433 #51BF45 #7CCF73 #A6DEA0

Accessibility & contrast

On white

2.36

#51BF45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#51BF45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF45

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF45	#FFFFFF	#000000	##000000
##51BF45	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AE36

Deuteranopia (green-blind)

#B6A54F

Tritanopia (blue-blind)

#41B9A5

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51bf45;
/* rgb */ color: rgb(81, 191, 69);
/* oklch */ color: oklch(71.5% 0.190 141.7);

Tailwind

colors: {
  custom: {
    50: '#8dd37e',
    500: '#51bf45',
    950: '#000000',
  },
}

SCSS

$custom: #51bf45;
$custom-light: #8dd37e;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf45",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 69
  },
  "hsl": {
    "h": 114.098,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.71512,
    "c": 0.18999,
    "h": 141.7
  },
  "luminance": 0.39441
}

Semantic roles & 50–950 ramp

primary

#51BF45

secondary

#C695CB

accent

#4FD8CB

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51BF45

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

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