#51B453#51B453

#51B453 is a light, vivid green. Relative luminance 0.350; OKLCH L 68.8% C 0.164 H 143.9°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#51B453
RGB	rgb(81, 180, 83)
HSL	hsl(121, 40%, 51%)
HSV	hsv(121, 55%, 71%)
CMYK	cmyk(55%, 0%, 53.9%, 29.4%)
CIE-LAB	lab(65.76, -48.83, 40.46)
CIE-LCH	lch(65.76, 63.41, 140.36°)
OKLab	oklab(68.84% -0.1326 0.0968)
OKLCH	oklch(68.84% 0.164 143.9)
XYZ	xyz(21.2748, 35.0146, 13.8193)
Luminance	0.3502 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B453 #B451B2

analogous

#80B451 #51B453 #51B484

triadic

#51B453 #5351B4 #B45351

tetradic

#51B453 #5180B4 #B451B2 #B48451

square

#51B453 #5180B4 #B451B2 #B48451

split-complementary

#51B453 #8451B4 #B45180

monochromatic

#2A612B #3C8C3E #51B453 #7CC67D #A7D9A8

Accessibility & contrast

On white

2.62

#51B453 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#51B453 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B453

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B453	#FFFFFF	#000000	##000000
##51B453	1.00	2.62	8.00	8.00
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A54A

Deuteranopia (green-blind)

#AA9C5A

Tritanopia (blue-blind)

#41AF9E

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b453;
/* rgb */ color: rgb(81, 180, 83);
/* oklch */ color: oklch(68.8% 0.164 143.9);

Tailwind

colors: {
  custom: {
    50: '#8acb86',
    500: '#51b453',
    950: '#000000',
  },
}

SCSS

$custom: #51b453;
$custom-light: #8acb86;
$custom-dark: #000000;

JSON

{
  "hex": "#51b453",
  "rgb": {
    "r": 81,
    "g": 180,
    "b": 83
  },
  "hsl": {
    "h": 121.212,
    "s": 39.759,
    "l": 51.176
  },
  "oklch": {
    "l": 0.68835,
    "c": 0.1642,
    "h": 143.9
  },
  "luminance": 0.35016
}

Semantic roles & 50–950 ramp

primary

#51B453

secondary

#C69BC5

accent

#58CDD0

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0D130B

muted

#7D827C

Preview Lab

Preview with #51B453

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

Preview Lab → · Contrast checker → · Palette generator →