#51BD2A#51BD2A

#51BD2A is a light, highly saturated green. Relative luminance 0.383; OKLCH L 70.8% C 0.204 H 139.1°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#51BD2A
RGB	rgb(81, 189, 42)
HSL	hsl(104, 64%, 45%)
HSV	hsv(104, 78%, 74%)
CMYK	cmyk(57.1%, 0%, 77.8%, 25.9%)
CIE-LAB	lab(68.25, -56.11, 60.03)
CIE-LCH	lch(68.25, 82.17, 133.06°)
OKLab	oklab(70.77% -0.1546 0.1339)
OKLCH	oklch(70.77% 0.204 139.1)
XYZ	xyz(22.0080, 38.3098, 8.4248)
Luminance	0.3831 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BD2A #962ABD

analogous

#9ABD2A #51BD2A #2ABD4D

triadic

#51BD2A #2A51BD #BD2A51

tetradic

#51BD2A #2A9ABD #962ABD #BD4D2A

square

#51BD2A #2A9ABD #962ABD #BD4D2A

split-complementary

#51BD2A #4D2ABD #BD2A9A

monochromatic

#265914 #3C8B1F #51BD2A #72D74D #99E37F

Accessibility & contrast

On white

2.42

#51BD2A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#51BD2A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD2A

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BD2A	#FFFFFF	#000000	##000000
##51BD2A	1.00	2.42	8.66	8.66
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC00

Deuteranopia (green-blind)

#B5A33B

Tritanopia (blue-blind)

#45B6A2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bd2a;
/* rgb */ color: rgb(81, 189, 42);
/* oklch */ color: oklch(70.8% 0.204 139.1);

Tailwind

colors: {
  custom: {
    50: '#8ed26f',
    500: '#51bd2a',
    950: '#000000',
  },
}

SCSS

$custom: #51bd2a;
$custom-light: #8ed26f;
$custom-dark: #000000;

JSON

{
  "hex": "#51bd2a",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 42
  },
  "hsl": {
    "h": 104.082,
    "s": 63.636,
    "l": 45.294
  },
  "oklch": {
    "l": 0.70774,
    "c": 0.20448,
    "h": 139.1
  },
  "luminance": 0.38312
}

Semantic roles & 50–950 ramp

primary

#51BD2A

secondary

#B578CB

accent

#41E7BB

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0D1408

muted

#7E837B

Preview Lab

Preview with #51BD2A

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

Preview Lab → · Contrast checker → · Palette generator →