#51BF7E#51BF7E

#51BF7E is a light, vivid green. Relative luminance 0.405; OKLCH L 72.4% C 0.139 H 154.7°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#51BF7E
RGB	rgb(81, 191, 126)
HSL	hsl(145, 46%, 53%)
HSV	hsv(145, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 34%, 25.1%)
CIE-LAB	lab(69.83, -46.29, 23.60)
CIE-LCH	lch(69.83, 51.96, 152.98°)
OKLab	oklab(72.39% -0.1258 0.0594)
OKLCH	oklch(72.39% 0.139 154.7)
XYZ	xyz(25.7880, 40.5149, 26.1958)
Luminance	0.4052 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF7E #BF5192

analogous

#5BBF51 #51BF7E #51BFB5

triadic

#51BF7E #7E51BF #BF7E51

tetradic

#51BF7E #515BBF #BF5192 #BFB551

square

#51BF7E #515BBF #BF5192 #BFB551

split-complementary

#51BF7E #B551BF #BF515B

monochromatic

#286D45 #399A61 #51BF7E #7ECF9F #AAE0C0

Accessibility & contrast

On white

2.31

#51BF7E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#51BF7E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF7E

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF7E	#FFFFFF	#000000	##000000
##51BF7E	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFB17A

Deuteranopia (green-blind)

#AFA682

Tritanopia (blue-blind)

#2DBDAE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51bf7e;
/* rgb */ color: rgb(81, 191, 126);
/* oklch */ color: oklch(72.4% 0.139 154.7);

Tailwind

colors: {
  custom: {
    50: '#8bd3a3',
    500: '#51bf7e',
    950: '#000000',
  },
}

SCSS

$custom: #51bf7e;
$custom-light: #8bd3a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf7e",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 126
  },
  "hsl": {
    "h": 144.545,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72392,
    "c": 0.13911,
    "h": 154.7
  },
  "luminance": 0.40517
}

Semantic roles & 50–950 ramp

primary

#51BF7E

secondary

#CE9EBA

accent

#52A0D6

background

#F9FDFA

surface

#F1FAF4

border

#CBD3CE

text

#0D140F

muted

#7E837F

Preview Lab

Preview with #51BF7E

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

Preview Lab → · Contrast checker → · Palette generator →