#2CAF39
Closest named color: Shamrock (#01B44C). oklch(66.1% 0.193 144.3), rgb(44, 175, 57).
Aa
Black text reads best on this color (7.29:1).
About this color
#2CAF39 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.193 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.018 away. Black text reads best on it, at 7.29:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.193) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.29:1 |
| White text | 2.87:1 |
Values
| HEX | #2CAF39 |
| RGB | rgb(44, 175, 57) |
| HSL | hsl(126, 60%, 43%) |
| OKLCH | oklch(66.1% 0.193 144.3) |
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 #2CAF39 | 2.87:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #2CAF39 | 7.29:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #2CAF39 text on white | 2.87:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #2CAF39 text on black | 7.29:1 | AAA | Lc -47.3 | 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
#9BD19A
oklch(80.9% 0.095 144.2)
-
Step 400
400
#5EB861
oklch(70.6% 0.15 144.4)
-
Step 500
500 (this color)
#2CAF39
oklch(66.1% 0.193 144.3)
-
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)
#2CAF39 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) | #B29E29 | 0.141 |
| Deuteranopia (no green cones) | #A49444 | 0.142 |
| Tritanopia (no blue cones) | #00AA97 | 0.121 |
| Achromatopsia (no color) | #989898 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2CAF39
#2CAF39
oklch(66.1% 0.193 144.3)
- #CA61D3
#CA61D3
oklch(66.1% 0.193 324.4)
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 #2CAF39, closest first.
No curated palette has a color within ΔE 0.04 of #2CAF39.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.018
- Medium Green #39AD48 ΔE 0.018
- Kelly Green #02AB2E ΔE 0.020
- Grass #5CAC2D ΔE 0.030
- Leaf Green #5CA904 ΔE 0.034
- Leafy Green #51B73B ΔE 0.035
- Mid Green #50A747 ΔE 0.037
- Dark Pastel Green #56AE57 ΔE 0.045
Use #2CAF39 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.