#51BF7F#51BF7F

#51BF7F is a light, vivid green. Relative luminance 0.405; OKLCH L 72.4% C 0.138 H 155.1°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#51BF7F
RGB	rgb(81, 191, 127)
HSL	hsl(145, 46%, 53%)
HSV	hsv(145, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 33.5%, 25.1%)
CIE-LAB	lab(69.85, -46.09, 23.09)
CIE-LCH	lch(69.85, 51.56, 153.39°)
OKLab	oklab(72.41% -0.1253 0.0582)
OKLCH	oklch(72.41% 0.138 155.1)
XYZ	xyz(25.8528, 40.5408, 26.5373)
Luminance	0.4054 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF7F #BF5191

analogous

#5ABF51 #51BF7F #51BFB6

triadic

#51BF7F #7F51BF #BF7F51

tetradic

#51BF7F #515ABF #BF5191 #BFB651

square

#51BF7F #515ABF #BF5191 #BFB651

split-complementary

#51BF7F #B651BF #BF515A

monochromatic

#286D45 #399A61 #51BF7F #7ECFA0 #AAE0C1

Accessibility & contrast

On white

2.31

#51BF7F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#51BF7F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF7F

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF7F	#FFFFFF	#000000	##000000
##51BF7F	1.00	2.31	9.11	9.11
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEB17B

Deuteranopia (green-blind)

#AFA683

Tritanopia (blue-blind)

#2CBDAE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51bf7f;
/* rgb */ color: rgb(81, 191, 127);
/* oklch */ color: oklch(72.4% 0.138 155.1);

Tailwind

colors: {
  custom: {
    50: '#8bd3a4',
    500: '#51bf7f',
    950: '#000000',
  },
}

SCSS

$custom: #51bf7f;
$custom-light: #8bd3a4;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf7f",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 127
  },
  "hsl": {
    "h": 145.091,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72413,
    "c": 0.13818,
    "h": 155.1
  },
  "luminance": 0.40543
}

Semantic roles & 50–950 ramp

primary

#51BF7F

secondary

#CE9EBA

accent

#529FD6

background

#F9FDFA

surface

#F1FAF4

border

#CBD3CE

text

#0D140F

muted

#7E837F

Preview Lab

Preview with #51BF7F

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

Preview Lab → · Contrast checker → · Palette generator →