#21B233#21B233

#21B233 is a light, highly saturated green. Relative luminance 0.324; OKLCH L 66.7% C 0.203 H 144.2°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#21B233
RGB	rgb(33, 178, 51)
HSL	hsl(127, 69%, 41%)
HSV	hsv(127, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 71.3%, 30.2%)
CIE-LAB	lab(63.67, -60.91, 51.95)
CIE-LCH	lch(63.67, 80.06, 139.54°)
OKLab	oklab(66.69% -0.1646 0.1185)
OKLCH	oklch(66.69% 0.203 144.2)
XYZ	xyz(17.1439, 32.4010, 8.4818)
Luminance	0.3240 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B233 #B221A0

analogous

#58B221 #21B233 #21B27C

triadic

#21B233 #3321B2 #B23321

tetradic

#21B233 #2158B2 #B221A0 #B27C21

square

#21B233 #2158B2 #B221A0 #B27C21

split-complementary

#21B233 #7C21B2 #B22158

monochromatic

#0E4B15 #177E24 #21B233 #36DA4B #6AE379

Accessibility & contrast

On white

2.81

#21B233 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#21B233 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B233

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B233	#FFFFFF	#000000	##000000
##21B233	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A11F

Deuteranopia (green-blind)

#A69640

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #21b233;
/* rgb */ color: rgb(33, 178, 51);
/* oklch */ color: oklch(66.7% 0.203 144.2);

Tailwind

colors: {
  custom: {
    50: '#78ca72',
    500: '#21b233',
    950: '#000000',
  },
}

SCSS

$custom: #21b233;
$custom-light: #78ca72;
$custom-dark: #000000;

JSON

{
  "hex": "#21b233",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 51
  },
  "hsl": {
    "h": 127.448,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.66686,
    "c": 0.2028,
    "h": 144.2
  },
  "luminance": 0.32403
}

Semantic roles & 50–950 ramp

primary

#21B233

secondary

#C966BD

accent

#3CD6EC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #21B233

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

Preview Lab → · Contrast checker → · Palette generator →