#21B028#21B028

#21B028 is a light, highly saturated green. Relative luminance 0.315; OKLCH L 66.1% C 0.207 H 143.2°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#21B028
RGB	rgb(33, 176, 40)
HSL	hsl(123, 68%, 41%)
HSV	hsv(123, 81%, 69%)
CMYK	cmyk(81.3%, 0%, 77.3%, 31%)
CIE-LAB	lab(62.95, -61.18, 55.16)
CIE-LCH	lch(62.95, 82.38, 137.96°)
OKLab	oklab(66.06% -0.1658 0.1238)
OKLCH	oklch(66.06% 0.207 143.2)
XYZ	xyz(16.5345, 31.5252, 7.2206)
Luminance	0.3153 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B028 #B021A9

analogous

#61B021 #21B028 #21B06F

triadic

#21B028 #2821B0 #B02821

tetradic

#21B028 #2161B0 #B021A9 #B06F21

square

#21B028 #2161B0 #B021A9 #B06F21

split-complementary

#21B028 #6F21B0 #B02161

monochromatic

#0E4911 #177C1C #21B028 #35D93D #69E36F

Accessibility & contrast

On white

2.87

#21B028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#21B028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B028

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B028	#FFFFFF	#000000	##000000
##21B028	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F05

Deuteranopia (green-blind)

#A59438

Tritanopia (blue-blind)

#00AB96

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #21b028;
/* rgb */ color: rgb(33, 176, 40);
/* oklch */ color: oklch(66.1% 0.207 143.2);

Tailwind

colors: {
  custom: {
    50: '#78c96c',
    500: '#21b028',
    950: '#000000',
  },
}

SCSS

$custom: #21b028;
$custom-light: #78c96c;
$custom-dark: #000000;

JSON

{
  "hex": "#21b028",
  "rgb": {
    "r": 33,
    "g": 176,
    "b": 40
  },
  "hsl": {
    "h": 122.937,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66061,
    "c": 0.20689,
    "h": 143.2
  },
  "luminance": 0.31527
}

Semantic roles & 50–950 ramp

primary

#21B028

secondary

#C864C4

accent

#3DE3EB

background

#F8FCF6

surface

#EFF8EC

border

#CAD1C7

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #21B028

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

Preview Lab → · Contrast checker → · Palette generator →