#51DF7B#51DF7B

#51DF7B is a light, vivid green. Relative luminance 0.560; OKLCH L 80.4% C 0.185 H 149.8°. Best body text is #000000 at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#51DF7B
RGB	rgb(81, 223, 123)
HSL	hsl(138, 69%, 60%)
HSV	hsv(138, 64%, 87%)
CMYK	cmyk(63.7%, 0%, 44.8%, 12.5%)
CIE-LAB	lab(79.59, -59.34, 37.96)
CIE-LCH	lch(79.59, 70.44, 147.39°)
OKLab	oklab(80.39% -0.1601 0.0932)
OKLCH	oklch(80.39% 0.185 149.8)
XYZ	xyz(33.3536, 55.9513, 27.7770)
Luminance	0.5595 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DF7B #DF51B5

analogous

#6EDF51 #51DF7B #51DFC2

triadic

#51DF7B #7B51DF #DF7B51

tetradic

#51DF7B #516EDF #DF51B5 #DFC251

square

#51DF7B #516EDF #DF51B5 #DFC251

split-complementary

#51DF7B #C251DF #DF516E

monochromatic

#1C9941 #26CD57 #51DF7B #85E9A2 #B8F2C9

Accessibility & contrast

On white

1.72

#51DF7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.19

#51DF7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DF7B

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DF7B	#FFFFFF	#000000	##000000
##51DF7B	1.00	1.72	12.19	12.19
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.19	21.00	1.00	1.00
##000000	12.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CD73

Deuteranopia (green-blind)

#CEC082

Tritanopia (blue-blind)

#1BDBC7

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51df7b;
/* rgb */ color: rgb(81, 223, 123);
/* oklch */ color: oklch(80.4% 0.185 149.8);

Tailwind

colors: {
  custom: {
    50: '#90eaa2',
    500: '#51df7b',
    950: '#000000',
  },
}

SCSS

$custom: #51df7b;
$custom-light: #90eaa2;
$custom-dark: #000000;

JSON

{
  "hex": "#51df7b",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 123
  },
  "hsl": {
    "h": 137.746,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.80388,
    "c": 0.18524,
    "h": 149.8
  },
  "luminance": 0.55955
}

Semantic roles & 50–950 ramp

primary

#51DF7B

secondary

#9D377F

accent

#3CB8EC

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DF7B

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

Preview Lab → · Contrast checker → · Palette generator →