#51BD31#51BD31

#51BD31 is a light, highly saturated green. Relative luminance 0.384; OKLCH L 70.8% C 0.201 H 139.6°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#51BD31
RGB	rgb(81, 189, 49)
HSL	hsl(106, 59%, 47%)
HSV	hsv(106, 74%, 74%)
CMYK	cmyk(57.1%, 0%, 74.1%, 25.9%)
CIE-LAB	lab(68.29, -55.65, 57.74)
CIE-LCH	lch(68.29, 80.19, 133.94°)
OKLab	oklab(70.82% -0.1529 0.13)
OKLCH	oklch(70.82% 0.201 139.6)
XYZ	xyz(22.1444, 38.3644, 9.1433)
Luminance	0.3837 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BD31 #9D31BD

analogous

#97BD31 #51BD31 #31BD57

triadic

#51BD31 #3151BD #BD3151

tetradic

#51BD31 #3197BD #9D31BD #BD5731

square

#51BD31 #3197BD #9D31BD #BD5731

split-complementary

#51BD31 #5731BD #BD3197

monochromatic

#275C18 #3C8C24 #51BD31 #74D458 #9CE088

Accessibility & contrast

On white

2.42

#51BD31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.67

#51BD31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD31

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BD31	#FFFFFF	#000000	##000000
##51BD31	1.00	2.42	8.67	8.67
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.67	21.00	1.00	1.00
##000000	8.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC15

Deuteranopia (green-blind)

#B5A340

Tritanopia (blue-blind)

#45B7A2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bd31;
/* rgb */ color: rgb(81, 189, 49);
/* oklch */ color: oklch(70.8% 0.201 139.6);

Tailwind

colors: {
  custom: {
    50: '#8dd272',
    500: '#51bd31',
    950: '#000000',
  },
}

SCSS

$custom: #51bd31;
$custom-light: #8dd272;
$custom-dark: #000000;

JSON

{
  "hex": "#51bd31",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 49
  },
  "hsl": {
    "h": 106.286,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.7082,
    "c": 0.20076,
    "h": 139.6
  },
  "luminance": 0.38366
}

Semantic roles & 50–950 ramp

primary

#51BD31

secondary

#B980CA

accent

#46E2BE

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0D1408

muted

#7E837B

Preview Lab

Preview with #51BD31

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

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