#21BC23#21BC23

#21BC23 is a light, highly saturated green. Relative luminance 0.364; OKLCH L 69.3% C 0.222 H 142.8°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#21BC23
RGB	rgb(33, 188, 35)
HSL	hsl(121, 70%, 43%)
HSV	hsv(121, 82%, 74%)
CMYK	cmyk(82.4%, 0%, 81.4%, 26.3%)
CIE-LAB	lab(66.83, -65.13, 60.39)
CIE-LCH	lch(66.83, 88.82, 137.16°)
OKLab	oklab(69.29% -0.1767 0.134)
OKLCH	oklch(69.29% 0.222 142.8)
XYZ	xyz(18.9126, 36.4088, 7.6206)
Luminance	0.3641 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BC23 #BC21BA

analogous

#6CBC21 #21BC23 #21BC70

triadic

#21BC23 #2321BC #BC2321

tetradic

#21BC23 #216CBC #BC21BA #BC7021

square

#21BC23 #216CBC #BC21BA #BC7021

split-complementary

#21BC23 #7021BC #BC216C

monochromatic

#0F5410 #188819 #21BC23 #3DDD3F #71E673

Accessibility & contrast

On white

2.54

#21BC23 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#21BC23 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC23

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BC23	#FFFFFF	#000000	##000000
##21BC23	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#B09E37

Tritanopia (blue-blind)

#00B6A0

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #21bc23;
/* rgb */ color: rgb(33, 188, 35);
/* oklch */ color: oklch(69.3% 0.222 142.8);

Tailwind

colors: {
  custom: {
    50: '#7bd26c',
    500: '#21bc23',
    950: '#000000',
  },
}

SCSS

$custom: #21bc23;
$custom-light: #7bd26c;
$custom-dark: #000000;

JSON

{
  "hex": "#21bc23",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 35
  },
  "hsl": {
    "h": 120.774,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69285,
    "c": 0.22177,
    "h": 142.8
  },
  "luminance": 0.36411
}

Semantic roles & 50–950 ramp

primary

#21BC23

secondary

#CD6CCC

accent

#3BEBED

background

#F8FDF6

surface

#EFFAEC

border

#CAD3C7

text

#0B1408

muted

#7C837B

Preview Lab

Preview with #21BC23

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

Preview Lab → · Contrast checker → · Palette generator →