#21A201
Closest named color: Grassy Green (#419C03). oklch(62.1% 0.205 141.3), rgb(33, 162, 1).
Aa
Black text reads best on this color (6.23:1).
About this color
#21A201 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.205 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.023 away. Black text reads best on it, at 6.23:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.205) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #21A201 |
| RGB | rgb(33, 162, 1) |
| HSL | hsl(108, 99%, 32%) |
| OKLCH | oklch(62.1% 0.205 141.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #21A201 | 3.36:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #21A201 | 6.23:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #21A201 text on white | 3.36:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #21A201 text on black | 6.23:1 | AA | Lc -41.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C5E3C1
oklch(88.5% 0.056 141.9)
-
Step 300
300
#9CD194
oklch(80.8% 0.1 141.3)
-
Step 400
400
#61B955
oklch(70.8% 0.161 141.4)
-
Step 500
500 (this color)
#21A201
oklch(62.1% 0.205 141.3)
-
Step 600
600
#1B8B00
oklch(55.5% 0.183 141.2)
-
Step 700
700
#157500
oklch(49% 0.162 141.2)
-
Step 800
800
#0F6000
oklch(42.6% 0.141 141.3)
-
Step 900
900
#0B5000
oklch(37.6% 0.124 141.3)
-
Step 950
950
#073003
oklch(27.1% 0.085 141.4)
#21A201 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #A69200 | 0.142 |
| Deuteranopia (no green cones) | #998822 | 0.141 |
| Tritanopia (no blue cones) | #009D89 | 0.135 |
| Achromatopsia (no color) | #8C8C8C | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21A201
#21A201
oklch(62.1% 0.205 141.3)
- #BC51CF
#BC51CF
oklch(62.1% 0.205 321.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21A201, closest first.
No curated palette has a color within ΔE 0.04 of #21A201.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.023
- Grass Green #3F9B0B ΔE 0.025
- Kelly Green #02AB2E ΔE 0.027
- True Green #089404 ΔE 0.044
- Irish Green #019529 ΔE 0.047
- Leaf Green #5CA904 ΔE 0.048
- Medium Green #39AD48 ΔE 0.052
- Mid Green #50A747 ΔE 0.057
Use #21A201 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.