#51BD3E#51BD3E

#51BD3E is a light, vivid green. Relative luminance 0.385; OKLCH L 70.9% C 0.193 H 140.9°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#51BD3E
RGB	rgb(81, 189, 62)
HSL	hsl(111, 51%, 49%)
HSV	hsv(111, 67%, 74%)
CMYK	cmyk(57.1%, 0%, 67.2%, 25.9%)
CIE-LAB	lab(68.38, -54.59, 52.90)
CIE-LCH	lch(68.38, 76.02, 135.90°)
OKLab	oklab(70.93% -0.1493 0.1216)
OKLCH	oklch(70.93% 0.193 140.9)
XYZ	xyz(22.4594, 38.4904, 10.8023)
Luminance	0.3849 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BD3E #AA3EBD

analogous

#91BD3E #51BD3E #3EBD6B

triadic

#51BD3E #3E51BD #BD3E51

tetradic

#51BD3E #3E91BD #AA3EBD #BD6B3E

square

#51BD3E #3E91BD #AA3EBD #BD6B3E

split-complementary

#51BD3E #6B3EBD #BD3E91

monochromatic

#2A6120 #3D8F2F #51BD3E #79CE6A #A2DD98

Accessibility & contrast

On white

2.41

#51BD3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#51BD3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD3E

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BD3E	#FFFFFF	#000000	##000000
##51BD3E	1.00	2.41	8.70	8.70
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.70	21.00	1.00	1.00
##000000	8.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC2D

Deuteranopia (green-blind)

#B4A34A

Tritanopia (blue-blind)

#43B7A3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bd3e;
/* rgb */ color: rgb(81, 189, 62);
/* oklch */ color: oklch(70.9% 0.193 140.9);

Tailwind

colors: {
  custom: {
    50: '#8dd279',
    500: '#51bd3e',
    950: '#000000',
  },
}

SCSS

$custom: #51bd3e;
$custom-light: #8dd279;
$custom-dark: #000000;

JSON

{
  "hex": "#51bd3e",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 62
  },
  "hsl": {
    "h": 111.024,
    "s": 50.598,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70926,
    "c": 0.19255,
    "h": 140.9
  },
  "luminance": 0.38492
}

Semantic roles & 50–950 ramp

primary

#51BD3E

secondary

#C08EC9

accent

#4EDAC5

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BD3E

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

Preview Lab → · Contrast checker → · Palette generator →