#0FA021
Closest named color: Grass Green (#3F9B0B). oklch(61.4% 0.196 143.7), rgb(15, 160, 33).
Aa
Black text reads best on this color (6.07:1).
About this color
#0FA021 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.196 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.022 away. Black text reads best on it, at 6.07:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.196) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #0FA021 |
| RGB | rgb(15, 160, 33) |
| HSL | hsl(127, 83%, 34%) |
| OKLCH | oklch(61.4% 0.196 143.7) |
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 #0FA021 | 3.45:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #0FA021 | 6.07:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #0FA021 text on white | 3.45:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #0FA021 text on black | 6.07:1 | AA | Lc -40.3 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C5E3C3
oklch(88.5% 0.054 143.4)
-
Step 300
300
#9BD199
oklch(80.9% 0.096 143.8)
-
Step 400
400
#5EB95E
oklch(70.8% 0.155 143.7)
-
Step 500
500 (this color)
#0FA021
oklch(61.4% 0.196 143.7)
-
Step 600
600
#008C17
oklch(55.5% 0.182 143.7)
-
Step 700
700
#007612
oklch(49.1% 0.161 143.7)
-
Step 800
800
#00610D
oklch(42.7% 0.14 143.7)
-
Step 900
900
#005109
oklch(37.7% 0.123 143.7)
-
Step 950
950
#053007
oklch(27.1% 0.082 143.6)
#0FA021 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) | #A39000 | 0.141 |
| Deuteranopia (no green cones) | #958630 | 0.142 |
| Tritanopia (no blue cones) | #009B88 | 0.125 |
| Achromatopsia (no color) | #8A8A8A | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0FA021
#0FA021
oklch(61.4% 0.196 143.7)
- #BA51C6
#BA51C6
oklch(61.4% 0.196 323.5)
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 #0FA021, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.022
- Grassy Green #419C03 ΔE 0.022
- Kelly Green #02AB2E ΔE 0.031
- Irish Green #019529 ΔE 0.035
- True Green #089404 ΔE 0.036
- Kelley Green #009337 ΔE 0.047
- Emerald Green #028F1E ΔE 0.052
- Medium Green #39AD48 ΔE 0.052
Use #0FA021 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.