#2FB03B
Closest named color: Shamrock (#01B44C). oklch(66.5% 0.192 144.3), rgb(47, 176, 59).
Aa
Black text reads best on this color (7.39:1).
About this color
#2FB03B is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.192 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.016 away. Black text reads best on it, at 7.39:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.39:1 |
| White text | 2.84:1 |
Values
| HEX | #2FB03B |
| RGB | rgb(47, 176, 59) |
| HSL | hsl(126, 58%, 44%) |
| OKLCH | oklch(66.5% 0.192 144.3) |
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 #2FB03B | 2.84:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #2FB03B | 7.39:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #2FB03B text on white | 2.84:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #2FB03B text on black | 7.39:1 | AAA | Lc -47.9 | Large or bold text, headings |
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
#DFEFDF
oklch(93.6% 0.027 145.4)
-
Step 200
200
#C5E3C4
oklch(88.6% 0.053 144.3)
-
Step 300
300
#9BD19B
oklch(80.9% 0.094 144.6)
-
Step 400
400
#5FB861
oklch(70.6% 0.15 144.2)
-
Step 500
500 (this color)
#2FB03B
oklch(66.5% 0.192 144.3)
-
Step 600
600
#008C1D
oklch(55.6% 0.179 144.2)
-
Step 700
700
#007617
oklch(49.1% 0.158 144.3)
-
Step 800
800
#006111
oklch(42.8% 0.138 144.2)
-
Step 900
900
#00510D
oklch(37.8% 0.121 144.3)
-
Step 950
950
#053009
oklch(27.1% 0.08 144.4)
#2FB03B 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) | #B39F2C | 0.141 |
| Deuteranopia (no green cones) | #A59546 | 0.142 |
| Tritanopia (no blue cones) | #00AB98 | 0.120 |
| Achromatopsia (no color) | #999999 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2FB03B
#2FB03B
oklch(66.5% 0.192 144.3)
- #CB63D4
#CB63D4
oklch(66.5% 0.191 324.4)
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 #2FB03B, closest first.
No curated palette has a color within ΔE 0.04 of #2FB03B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.016
- Medium Green #39AD48 ΔE 0.018
- Kelly Green #02AB2E ΔE 0.023
- Grass #5CAC2D ΔE 0.029
- Leafy Green #51B73B ΔE 0.032
- Leaf Green #5CA904 ΔE 0.034
- Mid Green #50A747 ΔE 0.037
- Dark Pastel Green #56AE57 ΔE 0.043
Use #2FB03B 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.