#51BF33#51BF33

#51BF33 is a light, highly saturated green. Relative luminance 0.393; OKLCH L 71.4% C 0.202 H 139.9°. Best body text is #000000 at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#51BF33
RGB	rgb(81, 191, 51)
HSL	hsl(107, 58%, 47%)
HSV	hsv(107, 73%, 75%)
CMYK	cmyk(57.6%, 0%, 73.3%, 25.1%)
CIE-LAB	lab(68.93, -56.22, 57.68)
CIE-LCH	lch(68.93, 80.55, 134.27°)
OKLab	oklab(71.35% -0.1544 0.1302)
OKLCH	oklch(71.35% 0.202 139.9)
XYZ	xyz(22.6207, 39.2480, 9.5149)
Luminance	0.3925 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF33 #A133BF

analogous

#97BF33 #51BF33 #33BF5B

triadic

#51BF33 #3351BF #BF3351

tetradic

#51BF33 #3397BF #A133BF #BF5B33

square

#51BF33 #3397BF #A133BF #BF5B33

split-complementary

#51BF33 #5B33BF #BF3397

monochromatic

#285E19 #3D8F26 #51BF33 #75D35C #9EE08C

Accessibility & contrast

On white

2.37

#51BF33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.85

#51BF33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF33

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF33	#FFFFFF	#000000	##000000
##51BF33	1.00	2.37	8.85	8.85
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.85	21.00	1.00	1.00
##000000	8.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE19

Deuteranopia (green-blind)

#B7A541

Tritanopia (blue-blind)

#44B9A4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51bf33;
/* rgb */ color: rgb(81, 191, 51);
/* oklch */ color: oklch(71.4% 0.202 139.9);

Tailwind

colors: {
  custom: {
    50: '#8ed374',
    500: '#51bf33',
    950: '#000000',
  },
}

SCSS

$custom: #51bf33;
$custom-light: #8ed374;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf33",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 51
  },
  "hsl": {
    "h": 107.143,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.71354,
    "c": 0.20196,
    "h": 139.9
  },
  "luminance": 0.3925
}

Semantic roles & 50–950 ramp

primary

#51BF33

secondary

#BB83CB

accent

#47E1C0

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BF33

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

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